Cyan 900
cyan-900 · #164E63
HEX
#164E63
RGB
rgb(22, 78, 99)
CMYK
cmyk(78%, 21%, 0%, 61%)
HSL
hsl(196, 64%, 24%)
LAB
lab(30.7, -10.1, -17.4)
What is Cyan 900?
Cyan 900 is the cyan-900 reference in the Tailwind CSS palette. Its sRGB value is #164E63 (rgb 22, 78, 99). 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 900 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Cyan 900
An 11-step tonal scale derived from Cyan 900 (#164E63). 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
#ECF1F3
#ECF1F3
100
#DAE3E6
#DAE3E6
200
#B4C6CD
#B4C6CD
300
#8BA7B1
#8BA7B1
400
#507A8A
#507A8A
500
#164E63
#164E63
600
#134254
#134254
700
#0E3340
#0E3340
800
#0A232D
#0A232D
900
#061419
#061419
950
#03090C
#03090C
Lighter tints (mixed with white)
15%
#6E808A
30%
#96A0A7
45%
#B4BABF
60%
#CCD0D3
75%
#E1E3E5
Darker shades (mixed with black)
15%
#14485C
30%
#114153
45%
#0E3A4A
60%
#0B313F
75%
#072631
Color harmonies for Cyan 900
Classic color-theory harmonies derived from rotating the hue of Cyan 900. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#164E63
#164E63
#642B16
#642B16
Triadic
Three colors 120° apart
#164E63
#164E63
#64164F
#64164F
#4F6416
#4F6416
Analogous
Two neighbors ±30° on the wheel
#166452
#166452
#164E63
#164E63
#162864
#162864
Split-complementary
Base + two colors flanking its complement
#164E63
#164E63
#641628
#641628
#645216
#645216
Tetradic
Two complementary pairs
#164E63
#164E63
#2B1664
#2B1664
#642B16
#642B16
#4F6416
#4F6416
Square
Four colors evenly spaced 90° apart
#164E63
#164E63
#521664
#521664
#642B16
#642B16
#286416
#286416
Cyan 900 in every color space
Full conversion of Cyan 900 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
#164E63
RGB
rgb(22, 78, 99)
CMYK
cmyk(78%, 21%, 0%, 61%)
HSL
hsl(196, 64%, 24%)
HSV
hsv(196, 78%, 39%)
HWB
hwb(196 9% 61%)
CIE Lab
lab(30.7 -10.1 -17.4)
OKLCH
oklch(39.8% 0.066 227.4)
XYZ (D65)
xyz(5.31, 6.52, 12.78)
Copy-ready code for Cyan 900
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: #164E63;
background-color: #164E63;CSS variable
:root {
--color-cyan-900: #164E63;
}Tailwind config
// tailwind.config.js
colors: {
'cyan-900': '#164E63',
}Sass
$color-cyan-900: #164E63;Swift UIColor
UIColor(red: 0.086, green: 0.306, blue: 0.388, alpha: 1.0)Android XML
<color name="cyan-900">#164E63</color>Closest match in every color system
The nearest Cyan 900 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 5019
#1B5583
Capri blue
RAL 6004
#1F3A3D
Blue green
RAL 5001
#1F3438
Green blue
RAL 5021
#256D7B
Water blue
RAL 5000
#354D73
Violet blue
FAQ about Cyan 900
What is the HEX code for Cyan 900?
Cyan 900 (cyan-900) has the HEX code #164E63. In RGB it is rgb(22, 78, 99), and in CMYK it is cmyk(78%, 21%, 0%, 61%).
What is the OKLCH value of Cyan 900?
Cyan 900 converts to oklch(0.398 0.066 227.4). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Cyan 900 accessible for body text?
Used as a background, Cyan 900 has a contrast ratio of 2.30:1 with black text and 9.11:1 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 900?
The closest Pantone reference to Cyan 900 by ΔE2000 perceptual distance is Pantone 309 C (#003B49). 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 900?
The closest RAL Classic reference to Cyan 900 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 900?
The complementary color (180° opposite on the HSL color wheel) of Cyan 900 is #642B16. 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.