Cyan 800
cyan-800 · #155E75
HEX
#155E75
RGB
rgb(21, 94, 117)
CMYK
cmyk(82%, 20%, 0%, 54%)
HSL
hsl(194, 70%, 27%)
LAB
lab(36.8, -13.1, -19.2)
What is Cyan 800?
Cyan 800 is the cyan-800 reference in the Tailwind CSS palette. Its sRGB value is #155E75 (rgb 21, 94, 117). 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 800 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Cyan 800
An 11-step tonal scale derived from Cyan 800 (#155E75). 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
#ECF2F4
#ECF2F4
100
#DAE5E9
#DAE5E9
200
#B4CBD3
#B4CBD3
300
#8AAFBA
#8AAFBA
400
#508698
#508698
500
#155E75
#155E75
600
#125063
#125063
700
#0E3D4C
#0E3D4C
800
#092A35
#092A35
900
#05181D
#05181D
950
#030B0E
#030B0E
Lighter tints (mixed with white)
15%
#6E8895
30%
#96A5AE
45%
#B4BDC3
60%
#CCD2D6
75%
#E1E4E6
Darker shades (mixed with black)
15%
#13576C
30%
#104F63
45%
#0D4658
60%
#0A3C4B
75%
#062F3C
Color harmonies for Cyan 800
Classic color-theory harmonies derived from rotating the hue of Cyan 800. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#155E75
#155E75
#752B15
#752B15
Triadic
Three colors 120° apart
#155E75
#155E75
#75155F
#75155F
#5F7515
#5F7515
Analogous
Two neighbors ±30° on the wheel
#15755B
#15755B
#155E75
#155E75
#152E75
#152E75
Split-complementary
Base + two colors flanking its complement
#155E75
#155E75
#75152E
#75152E
#755B15
#755B15
Tetradic
Two complementary pairs
#155E75
#155E75
#2B1575
#2B1575
#752B15
#752B15
#5F7515
#5F7515
Square
Four colors evenly spaced 90° apart
#155E75
#155E75
#5B1575
#5B1575
#752B15
#752B15
#2E7515
#2E7515
Cyan 800 in every color space
Full conversion of Cyan 800 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
#155E75
RGB
rgb(21, 94, 117)
CMYK
cmyk(82%, 20%, 0%, 54%)
HSL
hsl(194, 70%, 27%)
HSV
hsv(194, 82%, 46%)
HWB
hwb(194 8% 54%)
CIE Lab
lab(36.8 -13.1 -19.2)
OKLCH
oklch(45.0% 0.077 224.3)
XYZ (D65)
xyz(7.52, 9.45, 18.25)
Copy-ready code for Cyan 800
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: #155E75;
background-color: #155E75;CSS variable
:root {
--color-cyan-800: #155E75;
}Tailwind config
// tailwind.config.js
colors: {
'cyan-800': '#155E75',
}Sass
$color-cyan-800: #155E75;Swift UIColor
UIColor(red: 0.082, green: 0.369, blue: 0.459, alpha: 1.0)Android XML
<color name="cyan-800">#155E75</color>Closest match in every color system
The nearest Cyan 800 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 5009
#025669
Azure blue
RAL 5021
#256D7B
Water blue
RAL 5019
#1B5583
Capri blue
RAL 5007
#3E5F8A
Brilliant blue
RAL 5023
#49678D
Distant blue
RAL 5000
#354D73
Violet blue
FAQ about Cyan 800
What is the HEX code for Cyan 800?
Cyan 800 (cyan-800) has the HEX code #155E75. In RGB it is rgb(21, 94, 117), and in CMYK it is cmyk(82%, 20%, 0%, 54%).
What is the OKLCH value of Cyan 800?
Cyan 800 converts to oklch(0.450 0.077 224.3). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Cyan 800 accessible for body text?
Used as a background, Cyan 800 has a contrast ratio of 2.89:1 with black text and 7.27:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Cyan 800?
The closest Pantone reference to Cyan 800 by ΔE2000 perceptual distance is Pantone 3145 C (#00677F). 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 800?
The closest RAL Classic reference to Cyan 800 by ΔE2000 distance is RAL 5009 (Azure blue, #025669). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Cyan 800?
The complementary color (180° opposite on the HSL color wheel) of Cyan 800 is #752B15. 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.