Lightblue
lightblue · #ADD8E6
HEX
#ADD8E6
RGB
rgb(173, 216, 230)
CMYK
cmyk(25%, 6%, 0%, 10%)
HSL
hsl(195, 53%, 79%)
LAB
lab(83.8, -10.9, -11.5)
What is Lightblue?
Lightblue is the lightblue reference in the CSS Named Colors. Its sRGB value is #ADD8E6 (rgb 173, 216, 230). It sits in the cyan 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 Lightblue as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Lightblue
An 11-step tonal scale derived from Lightblue (#ADD8E6). 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
#F8FCFD
#F8FCFD
100
#F2F9FB
#F2F9FB
200
#E5F3F7
#E5F3F7
300
#D6ECF3
#D6ECF3
400
#C2E2EC
#C2E2EC
500
#ADD8E6
#ADD8E6
600
#93B8C4
#93B8C4
700
#708C96
#708C96
800
#4E6168
#4E6168
900
#2B363A
#2B363A
950
#151A1C
#151A1C
Lighter tints (mixed with white)
15%
#BCDEEA
30%
#CAE5EE
45%
#D7EBF2
60%
#E3F0F5
75%
#EEF6F9
Darker shades (mixed with black)
15%
#A1C9D6
30%
#93B8C4
45%
#84A5B0
60%
#728F99
75%
#5B737B
Color harmonies for Lightblue
Classic color-theory harmonies derived from rotating the hue of Lightblue. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#ADD8E6
#ADD8E6
#E6BBAD
#E6BBAD
Triadic
Three colors 120° apart
#ADD8E6
#ADD8E6
#E6ADD8
#E6ADD8
#D8E6AD
#D8E6AD
Analogous
Two neighbors ±30° on the wheel
#ADE6D8
#ADE6D8
#ADD8E6
#ADD8E6
#ADBBE6
#ADBBE6
Split-complementary
Base + two colors flanking its complement
#ADD8E6
#ADD8E6
#E6ADBB
#E6ADBB
#E6D8AD
#E6D8AD
Tetradic
Two complementary pairs
#ADD8E6
#ADD8E6
#BBADE6
#BBADE6
#E6BBAD
#E6BBAD
#D8E6AD
#D8E6AD
Square
Four colors evenly spaced 90° apart
#ADD8E6
#ADD8E6
#D8ADE6
#D8ADE6
#E6BBAD
#E6BBAD
#BBE6AD
#BBE6AD
Lightblue in every color space
Full conversion of Lightblue 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
#ADD8E6
RGB
rgb(173, 216, 230)
CMYK
cmyk(25%, 6%, 0%, 10%)
HSL
hsl(195, 53%, 79%)
HSV
hsv(195, 25%, 90%)
HWB
hwb(195 68% 10%)
CIE Lab
lab(83.8 -10.9 -11.5)
OKLCH
oklch(85.6% 0.049 219.7)
XYZ (D65)
xyz(56.07, 63.71, 84.19)
Copy-ready code for Lightblue
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: #ADD8E6;
background-color: #ADD8E6;CSS variable
:root {
--color-lightblue: #ADD8E6;
}Tailwind config
// tailwind.config.js
colors: {
'lightblue': '#ADD8E6',
}Sass
$color-lightblue: #ADD8E6;Swift UIColor
UIColor(red: 0.678, green: 0.847, blue: 0.902, alpha: 1.0)Android XML
<color name="lightblue">#ADD8E6</color>Closest match in every color system
The nearest Lightblue 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 6027
#84C3BE
Light green
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 7038
#B5B8B1
Agate grey
RAL 9003
#F4F4F4
Signal white
RAL 9016
#F6F6F6
Traffic white
FAQ about Lightblue
What is the HEX code for Lightblue?
Lightblue (lightblue) has the HEX code #ADD8E6. In RGB it is rgb(173, 216, 230), and in CMYK it is cmyk(25%, 6%, 0%, 10%).
What is the OKLCH value of Lightblue?
Lightblue converts to oklch(0.856 0.049 219.7). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Lightblue accessible for body text?
Used as a background, Lightblue has a contrast ratio of 13.74:1 with black text and 1.53:1 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 Lightblue?
The closest Pantone reference to Lightblue by ΔE2000 perceptual distance is Pantone 7457 C (#BBDDE6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Lightblue?
The closest RAL Classic reference to Lightblue by ΔE2000 distance is RAL 6027 (Light green, #84C3BE). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Lightblue?
The complementary color (180° opposite on the HSL color wheel) of Lightblue is #E6BBAD. 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.