Skyblue
skyblue · #87CEEB
HEX
#87CEEB
RGB
rgb(135, 206, 235)
CMYK
cmyk(43%, 12%, 0%, 8%)
HSL
hsl(197, 71%, 73%)
LAB
lab(79.2, -14.8, -21.3)
What is Skyblue?
Skyblue is the skyblue reference in the CSS Named Colors. Its sRGB value is #87CEEB (rgb 135, 206, 235). 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 Skyblue as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Skyblue
An 11-step tonal scale derived from Skyblue (#87CEEB). 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
#F5FBFD
#F5FBFD
100
#ECF7FC
#ECF7FC
200
#D9EFF9
#D9EFF9
300
#C3E7F5
#C3E7F5
400
#A5DAF0
#A5DAF0
500
#87CEEB
#87CEEB
600
#73AFC8
#73AFC8
700
#588699
#588699
800
#3D5D6A
#3D5D6A
900
#22343B
#22343B
950
#10191C
#10191C
Lighter tints (mixed with white)
15%
#A1D6EE
30%
#B6DEF1
45%
#C9E6F4
60%
#D9EDF7
75%
#E8F4FA
Darker shades (mixed with black)
15%
#7DC0DB
30%
#72B0C9
45%
#669DB4
60%
#58889C
75%
#466D7E
Color harmonies for Skyblue
Classic color-theory harmonies derived from rotating the hue of Skyblue. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#87CEEB
#87CEEB
#EBA589
#EBA589
Triadic
Three colors 120° apart
#87CEEB
#87CEEB
#EB89CF
#EB89CF
#CFEB89
#CFEB89
Analogous
Two neighbors ±30° on the wheel
#89EBD6
#89EBD6
#87CEEB
#87CEEB
#899EEB
#899EEB
Split-complementary
Base + two colors flanking its complement
#87CEEB
#87CEEB
#EB899E
#EB899E
#EBD689
#EBD689
Tetradic
Two complementary pairs
#87CEEB
#87CEEB
#A589EB
#A589EB
#EBA589
#EBA589
#CFEB89
#CFEB89
Square
Four colors evenly spaced 90° apart
#87CEEB
#87CEEB
#D689EB
#D689EB
#EBA589
#EBA589
#9EEB89
#9EEB89
Skyblue in every color space
Full conversion of Skyblue 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
#87CEEB
RGB
rgb(135, 206, 235)
CMYK
cmyk(43%, 12%, 0%, 8%)
HSL
hsl(197, 71%, 73%)
HSV
hsv(197, 43%, 92%)
HWB
hwb(197 53% 8%)
CIE Lab
lab(79.2 -14.8 -21.3)
OKLCH
oklch(81.5% 0.082 225.8)
XYZ (D65)
xyz(47.05, 55.29, 86.77)
Copy-ready code for Skyblue
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: #87CEEB;
background-color: #87CEEB;CSS variable
:root {
--color-skyblue: #87CEEB;
}Tailwind config
// tailwind.config.js
colors: {
'skyblue': '#87CEEB',
}Sass
$color-skyblue: #87CEEB;Swift UIColor
UIColor(red: 0.529, green: 0.808, blue: 0.922, alpha: 1.0)Android XML
<color name="skyblue">#87CEEB</color>Closest match in every color system
The nearest Skyblue 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 5024
#5D9B9B
Pastel blue
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 7001
#8F999F
Silver grey
RAL 7040
#9DA1AA
Window grey
FAQ about Skyblue
What is the HEX code for Skyblue?
Skyblue (skyblue) has the HEX code #87CEEB. In RGB it is rgb(135, 206, 235), and in CMYK it is cmyk(43%, 12%, 0%, 8%).
What is the OKLCH value of Skyblue?
Skyblue converts to oklch(0.815 0.082 225.8). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Skyblue accessible for body text?
Used as a background, Skyblue has a contrast ratio of 12.06:1 with black text and 1.74:1 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 Skyblue?
The closest Pantone reference to Skyblue by ΔE2000 perceptual distance is Pantone 283 C (#8DC8E8). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Skyblue?
The closest RAL Classic reference to Skyblue 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 Skyblue?
The complementary color (180° opposite on the HSL color wheel) of Skyblue is #EBA589. 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.