Sky 100
sky-100 · #E0F2FE
HEX
#E0F2FE
RGB
rgb(224, 242, 254)
CMYK
cmyk(12%, 5%, 0%, 0%)
HSL
hsl(204, 94%, 94%)
LAB
lab(94.5, -3.6, -7.8)
What is Sky 100?
Sky 100 is the sky-100 reference in the Tailwind CSS palette. Its sRGB value is #E0F2FE (rgb 224, 242, 254). It sits in the blue family. The default color palette shipped with Tailwind CSS v3 by Tailwind Labs. 22 color families across 11 lightness steps (50 to 950). See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Sky 100 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Sky 100
An 11-step tonal scale derived from Sky 100 (#E0F2FE). 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
#FDFEFF
#FDFEFF
100
#FAFDFF
#FAFDFF
200
#F5FBFF
#F5FBFF
300
#F0F9FF
#F0F9FF
400
#E8F5FE
#E8F5FE
500
#E0F2FE
#E0F2FE
600
#BECED8
#BECED8
700
#929DA5
#929DA5
800
#656D72
#656D72
900
#383D40
#383D40
950
#1B1D1E
#1B1D1E
Lighter tints (mixed with white)
15%
#E5F4FE
30%
#EAF6FE
45%
#EFF8FE
60%
#F3FAFF
75%
#F8FCFF
Darker shades (mixed with black)
15%
#D0E1EC
30%
#BFCFD9
45%
#ACBAC3
60%
#94A1A9
75%
#788288
Color harmonies for Sky 100
Classic color-theory harmonies derived from rotating the hue of Sky 100. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#E0F2FE
#E0F2FE
#FEEDE1
#FEEDE1
Triadic
Three colors 120° apart
#E0F2FE
#E0F2FE
#FEE1F3
#FEE1F3
#F3FEE1
#F3FEE1
Analogous
Two neighbors ±30° on the wheel
#E1FEFB
#E1FEFB
#E0F2FE
#E0F2FE
#E1E4FE
#E1E4FE
Split-complementary
Base + two colors flanking its complement
#E0F2FE
#E0F2FE
#FEE1E4
#FEE1E4
#FEFBE1
#FEFBE1
Tetradic
Two complementary pairs
#E0F2FE
#E0F2FE
#EDE1FE
#EDE1FE
#FEEDE1
#FEEDE1
#F3FEE1
#F3FEE1
Square
Four colors evenly spaced 90° apart
#E0F2FE
#E0F2FE
#FBE1FE
#FBE1FE
#FEEDE1
#FEEDE1
#E4FEE1
#E4FEE1
Sky 100 in every color space
Full conversion of Sky 100 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
#E0F2FE
RGB
rgb(224, 242, 254)
CMYK
cmyk(12%, 5%, 0%, 0%)
HSL
hsl(204, 94%, 94%)
HSV
hsv(204, 12%, 100%)
HWB
hwb(204 88% 0%)
CIE Lab
lab(94.5 -3.6 -7.8)
OKLCH
oklch(95.1% 0.025 236.8)
XYZ (D65)
xyz(80.38, 86.51, 106.21)
Copy-ready code for Sky 100
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: #E0F2FE;
background-color: #E0F2FE;CSS variable
:root {
--color-sky-100: #E0F2FE;
}Tailwind config
// tailwind.config.js
colors: {
'sky-100': '#E0F2FE',
}Sass
$color-sky-100: #E0F2FE;Swift UIColor
UIColor(red: 0.878, green: 0.949, blue: 0.996, alpha: 1.0)Android XML
<color name="sky-100">#E0F2FE</color>Closest match in every color system
The nearest Sky 100 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 Tailwind CSS palette
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 9003
#F4F4F4
Signal white
RAL 9016
#F6F6F6
Traffic white
RAL 9010
#FFFFFF
Pure white
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
RAL 9002
#E7EBDA
Grey white
FAQ about Sky 100
What is the HEX code for Sky 100?
Sky 100 (sky-100) has the HEX code #E0F2FE. In RGB it is rgb(224, 242, 254), and in CMYK it is cmyk(12%, 5%, 0%, 0%).
What is the OKLCH value of Sky 100?
Sky 100 converts to oklch(0.951 0.025 236.8). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Sky 100 accessible for body text?
Used as a background, Sky 100 has a contrast ratio of 18.30:1 with black text and 1.15:1 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 Sky 100?
The closest Pantone reference to Sky 100 by ΔE2000 perceptual distance is Pantone 290 C (#B9D9EB). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Sky 100?
The closest RAL Classic reference to Sky 100 by ΔE2000 distance is RAL 9003 (Signal white, #F4F4F4). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Sky 100?
The complementary color (180° opposite on the HSL color wheel) of Sky 100 is #FEEDE1. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Tailwind CSS default palette (v3)
The default color palette shipped with Tailwind CSS v3 by Tailwind Labs Inc. Use as a reference for design tokens, web color systems, and Tailwind-based design conversations. Names like 'blue-500' are the project's own naming convention.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Tailwind palette values are designed for digital interfaces under sRGB. For print, convert to a process-appropriate value and proof against the substrate; do not rely on sRGB CMYK conversion for color-critical print work.