Cyan 50
cyan-50 · #ECFEFF
HEX
#ECFEFF
RGB
rgb(236, 254, 255)
CMYK
cmyk(7%, 0%, 0%, 0%)
HSL
hsl(183, 100%, 96%)
LAB
lab(98.4, -5.7, -2.5)
What is Cyan 50?
Cyan 50 is the cyan-50 reference in the Tailwind CSS palette. Its sRGB value is #ECFEFF (rgb 236, 254, 255). It sits in the cyan 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 Cyan 50 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Cyan 50
An 11-step tonal scale derived from Cyan 50 (#ECFEFF). 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
#FDFFFF
#FDFFFF
100
#FCFFFF
#FCFFFF
200
#F9FFFF
#F9FFFF
300
#F6FFFF
#F6FFFF
400
#F1FEFF
#F1FEFF
500
#ECFEFF
#ECFEFF
600
#C9D8D9
#C9D8D9
700
#99A5A6
#99A5A6
800
#6A7273
#6A7273
900
#3B4040
#3B4040
950
#1C1E1F
#1C1E1F
Lighter tints (mixed with white)
15%
#EFFEFF
30%
#F2FEFF
45%
#F5FEFF
60%
#F8FFFF
75%
#FAFFFF
Darker shades (mixed with black)
15%
#DCECED
30%
#C9D9DA
45%
#B5C3C4
60%
#9DA9AA
75%
#7E8889
Color harmonies for Cyan 50
Classic color-theory harmonies derived from rotating the hue of Cyan 50. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#ECFEFF
#ECFEFF
#FFECEB
#FFECEB
Triadic
Three colors 120° apart
#ECFEFF
#ECFEFF
#FFEBFE
#FFEBFE
#FEFFEB
#FEFFEB
Analogous
Two neighbors ±30° on the wheel
#EBFFF6
#EBFFF6
#ECFEFF
#ECFEFF
#EBF4FF
#EBF4FF
Split-complementary
Base + two colors flanking its complement
#ECFEFF
#ECFEFF
#FFEBF4
#FFEBF4
#FFF6EB
#FFF6EB
Tetradic
Two complementary pairs
#ECFEFF
#ECFEFF
#ECEBFF
#ECEBFF
#FFECEB
#FFECEB
#FEFFEB
#FEFFEB
Square
Four colors evenly spaced 90° apart
#ECFEFF
#ECFEFF
#F6EBFF
#F6EBFF
#FFECEB
#FFECEB
#F4FFEB
#F4FFEB
Cyan 50 in every color space
Full conversion of Cyan 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
#ECFEFF
RGB
rgb(236, 254, 255)
CMYK
cmyk(7%, 0%, 0%, 0%)
HSL
hsl(183, 100%, 96%)
HSV
hsv(183, 7%, 100%)
HWB
hwb(183 93% 0%)
CIE Lab
lab(98.4 -5.7 -2.5)
OKLCH
oklch(98.4% 0.019 200.9)
XYZ (D65)
xyz(88.08, 95.94, 108.47)
Copy-ready code for Cyan 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: #ECFEFF;
background-color: #ECFEFF;CSS variable
:root {
--color-cyan-50: #ECFEFF;
}Tailwind config
// tailwind.config.js
colors: {
'cyan-50': '#ECFEFF',
}Sass
$color-cyan-50: #ECFEFF;Swift UIColor
UIColor(red: 0.925, green: 0.996, blue: 1.000, alpha: 1.0)Android XML
<color name="cyan-50">#ECFEFF</color>Closest match in every color system
The nearest Cyan 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 9016
#F6F6F6
Traffic white
RAL 9010
#FFFFFF
Pure white
RAL 9003
#F4F4F4
Signal white
RAL 9002
#E7EBDA
Grey white
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
FAQ about Cyan 50
What is the HEX code for Cyan 50?
Cyan 50 (cyan-50) has the HEX code #ECFEFF. In RGB it is rgb(236, 254, 255), and in CMYK it is cmyk(7%, 0%, 0%, 0%).
What is the OKLCH value of Cyan 50?
Cyan 50 converts to oklch(0.984 0.019 200.9). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Cyan 50 accessible for body text?
Used as a background, Cyan 50 has a contrast ratio of 20.19:1 with black text and 1.04:1 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 Cyan 50?
The closest Pantone reference to Cyan 50 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 Cyan 50?
The closest RAL Classic reference to Cyan 50 by ΔE2000 distance is RAL 9016 (Traffic white, #F6F6F6). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Cyan 50?
The complementary color (180° opposite on the HSL color wheel) of Cyan 50 is #FFECEB. 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.