Indigo 50
indigo-50 · #EEF2FF
HEX
#EEF2FF
RGB
rgb(238, 242, 255)
CMYK
cmyk(7%, 5%, 0%, 0%)
HSL
hsl(226, 100%, 97%)
LAB
lab(95.5, 1.1, -6.7)
What is Indigo 50?
Indigo 50 is the indigo-50 reference in the Tailwind CSS palette. Its sRGB value is #EEF2FF (rgb 238, 242, 255). It sits in the purple 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 Indigo 50 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Indigo 50
An 11-step tonal scale derived from Indigo 50 (#EEF2FF). 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
#FEFEFF
#FEFEFF
100
#FCFDFF
#FCFDFF
200
#FAFBFF
#FAFBFF
300
#F7F9FF
#F7F9FF
400
#F2F5FF
#F2F5FF
500
#EEF2FF
#EEF2FF
600
#CACED9
#CACED9
700
#9B9DA6
#9B9DA6
800
#6B6D73
#6B6D73
900
#3C3D40
#3C3D40
950
#1D1D1F
#1D1D1F
Lighter tints (mixed with white)
15%
#F1F4FF
30%
#F3F6FF
45%
#F6F8FF
60%
#F8FAFF
75%
#FBFCFF
Darker shades (mixed with black)
15%
#DDE1ED
30%
#CBCFDA
45%
#B6BAC4
60%
#9EA1AA
75%
#7F8289
Color harmonies for Indigo 50
Classic color-theory harmonies derived from rotating the hue of Indigo 50. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#EEF2FF
#EEF2FF
#FFFBF0
#FFFBF0
Triadic
Three colors 120° apart
#EEF2FF
#EEF2FF
#FFF0F3
#FFF0F3
#F3FFF0
#F3FFF0
Analogous
Two neighbors ±30° on the wheel
#F0FBFF
#F0FBFF
#EEF2FF
#EEF2FF
#F4F0FF
#F4F0FF
Split-complementary
Base + two colors flanking its complement
#EEF2FF
#EEF2FF
#FFF4F0
#FFF4F0
#FBFFF0
#FBFFF0
Tetradic
Two complementary pairs
#EEF2FF
#EEF2FF
#FBF0FF
#FBF0FF
#FFFBF0
#FFFBF0
#F3FFF0
#F3FFF0
Square
Four colors evenly spaced 90° apart
#EEF2FF
#EEF2FF
#FFF0FB
#FFF0FB
#FFFBF0
#FFFBF0
#F0FFF4
#F0FFF4
Indigo 50 in every color space
Full conversion of Indigo 50 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
#EEF2FF
RGB
rgb(238, 242, 255)
CMYK
cmyk(7%, 5%, 0%, 0%)
HSL
hsl(226, 100%, 97%)
HSV
hsv(226, 7%, 100%)
HWB
hwb(226 93% 0%)
CIE Lab
lab(95.5 1.1 -6.7)
OKLCH
oklch(96.2% 0.018 272.3)
XYZ (D65)
xyz(85.06, 88.90, 107.27)
Copy-ready code for Indigo 50
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: #EEF2FF;
background-color: #EEF2FF;CSS variable
:root {
--color-indigo-50: #EEF2FF;
}Tailwind config
// tailwind.config.js
colors: {
'indigo-50': '#EEF2FF',
}Sass
$color-indigo-50: #EEF2FF;Swift UIColor
UIColor(red: 0.933, green: 0.949, blue: 1.000, alpha: 1.0)Android XML
<color name="indigo-50">#EEF2FF</color>Closest match in every color system
The nearest Indigo 50 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 9001
#FDF4E3
Cream
FAQ about Indigo 50
What is the HEX code for Indigo 50?
Indigo 50 (indigo-50) has the HEX code #EEF2FF. In RGB it is rgb(238, 242, 255), and in CMYK it is cmyk(7%, 5%, 0%, 0%).
What is the OKLCH value of Indigo 50?
Indigo 50 converts to oklch(0.962 0.018 272.3). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Indigo 50 accessible for body text?
Used as a background, Indigo 50 has a contrast ratio of 18.78:1 with black text and 1.12:1 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 Indigo 50?
The closest Pantone reference to Indigo 50 by ΔE2000 perceptual distance is Pantone Cool Gray 1 C (#D9D9D6). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Indigo 50?
The closest RAL Classic reference to Indigo 50 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 Indigo 50?
The complementary color (180° opposite on the HSL color wheel) of Indigo 50 is #FFFBF0. 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.