Lightslategray
lightslategray · #778899
HEX
#778899
RGB
rgb(119, 136, 153)
CMYK
cmyk(22%, 11%, 0%, 40%)
HSL
hsl(210, 14%, 53%)
LAB
lab(55.9, -2.3, -11.1)
What is Lightslategray?
Lightslategray is the lightslategray reference in the CSS Named Colors. Its sRGB value is #778899 (rgb 119, 136, 153). It sits in the blue family. The 147 named colors defined by the W3C CSS Color Module Level 4 specification — usable directly in CSS as keywords like 'crimson' or 'rebeccapurple'. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Lightslategray as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Lightslategray
An 11-step tonal scale derived from Lightslategray (#778899). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#F4F5F7
#F4F5F7
100
#E9ECEF
#E9ECEF
200
#D3D9DE
#D3D9DE
300
#BBC4CC
#BBC4CC
400
#99A6B3
#99A6B3
500
#778899
#778899
600
#657482
#657482
700
#4D5863
#4D5863
800
#363D45
#363D45
900
#1E2226
#1E2226
950
#0E1012
#0E1012
Lighter tints (mixed with white)
15%
#96A2AE
30%
#AFB7BF
45%
#C4C9CF
60%
#D6DADE
75%
#E7E9EB
Darker shades (mixed with black)
15%
#6E7E8E
30%
#657382
45%
#5A6774
60%
#4D5864
75%
#3D4650
Color harmonies for Lightslategray
Classic color-theory harmonies derived from rotating the hue of Lightslategray. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#778899
#778899
#988776
#988776
Triadic
Three colors 120° apart
#778899
#778899
#987687
#987687
#879876
#879876
Analogous
Two neighbors ±30° on the wheel
#769898
#769898
#778899
#778899
#767698
#767698
Split-complementary
Base + two colors flanking its complement
#778899
#778899
#987676
#987676
#989876
#989876
Tetradic
Two complementary pairs
#778899
#778899
#877698
#877698
#988776
#988776
#879876
#879876
Square
Four colors evenly spaced 90° apart
#778899
#778899
#987698
#987698
#988776
#988776
#769876
#769876
Lightslategray in every color space
Full conversion of Lightslategray across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#778899
RGB
rgb(119, 136, 153)
CMYK
cmyk(22%, 11%, 0%, 40%)
HSL
hsl(210, 14%, 53%)
HSV
hsv(210, 22%, 60%)
HWB
hwb(210 47% 40%)
CIE Lab
lab(55.9 -2.3 -11.1)
OKLCH
oklch(61.9% 0.032 248.4)
XYZ (D65)
xyz(22.16, 23.83, 33.56)
Copy-ready code for Lightslategray
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #778899;
background-color: #778899;CSS variable
:root {
--color-lightslategray: #778899;
}Tailwind config
// tailwind.config.js
colors: {
'lightslategray': '#778899',
}Sass
$color-lightslategray: #778899;Swift UIColor
UIColor(red: 0.467, green: 0.533, blue: 0.600, alpha: 1.0)Android XML
<color name="lightslategray">#778899</color>Closest match in every color system
The nearest Lightslategray equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in CSS Named Colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 7000
#7E8B92
Squirrel grey
RAL 7001
#8F999F
Silver grey
RAL 9007
#8F8F8F
Grey aluminium
RAL 7037
#7D7F7D
Dusty grey
RAL 7040
#9DA1AA
Window grey
RAL 9023
#787878
Pearl dark grey
FAQ about Lightslategray
What is the HEX code for Lightslategray?
Lightslategray (lightslategray) has the HEX code #778899. In RGB it is rgb(119, 136, 153), and in CMYK it is cmyk(22%, 11%, 0%, 40%).
What is the OKLCH value of Lightslategray?
Lightslategray converts to oklch(0.619 0.032 248.4). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Lightslategray accessible for body text?
Used as a background, Lightslategray has a contrast ratio of 5.77:1 with black text and 3.64:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Lightslategray?
The closest Pantone reference to Lightslategray by ΔE2000 perceptual distance is Pantone Cool Gray 8 C (#888B8D). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Lightslategray?
The closest RAL Classic reference to Lightslategray by ΔE2000 distance is RAL 7000 (Squirrel grey, #7E8B92). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Lightslategray?
The complementary color (180° opposite on the HSL color wheel) of Lightslategray is #988776. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
CSS Named Colors (CSS Color Module Level 4)
The 147 named colors defined by the W3C CSS Color Module Level 4 specification. Origin: VGA (16) + X11 (rest) + 'rebeccapurple'. Use as a reference for web color names that all browsers natively support. Names like 'crimson' or 'rebeccapurple' work as CSS values without any framework.
- Source type
- derived
- Confidence
- high
- License
- W3C permissive document license
- Last reviewed
- 2026-05-24
Workflow tags
CSS named colors are sRGB digital values defined for browsers. For print, convert to a process-appropriate color and proof against substrate.