Azure
azure · #F0FFFF
HEX
#F0FFFF
RGB
rgb(240, 255, 255)
CMYK
cmyk(6%, 0%, 0%, 0%)
HSL
hsl(180, 100%, 97%)
LAB
lab(98.9, -4.9, -1.7)
What is Azure?
Azure is the azure reference in the CSS Named Colors. Its sRGB value is #F0FFFF (rgb 240, 255, 255). It sits in the cyan family. The 147 named colors defined by the W3C CSS Color Module Level 4 specification — usable directly in CSS as keywords like 'crimson' or 'rebeccapurple'. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Azure as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Azure
An 11-step tonal scale derived from Azure (#F0FFFF). 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
#FEFFFF
#FEFFFF
100
#FDFFFF
#FDFFFF
200
#FAFFFF
#FAFFFF
300
#F8FFFF
#F8FFFF
400
#F4FFFF
#F4FFFF
500
#F0FFFF
#F0FFFF
600
#CCD9D9
#CCD9D9
700
#9CA6A6
#9CA6A6
800
#6C7373
#6C7373
900
#3C4040
#3C4040
950
#1D1F1F
#1D1F1F
Lighter tints (mixed with white)
15%
#F2FFFF
30%
#F5FFFF
45%
#F7FFFF
60%
#F9FFFF
75%
#FBFFFF
Darker shades (mixed with black)
15%
#DFEDED
30%
#CDDADA
45%
#B8C4C4
60%
#9FAAAA
75%
#818989
Color harmonies for Azure
Classic color-theory harmonies derived from rotating the hue of Azure. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#F0FFFF
#F0FFFF
#FFF0F0
#FFF0F0
Triadic
Three colors 120° apart
#F0FFFF
#F0FFFF
#FFF0FF
#FFF0FF
#FFFFF0
#FFFFF0
Analogous
Two neighbors ±30° on the wheel
#F0FFF7
#F0FFF7
#F0FFFF
#F0FFFF
#F0F7FF
#F0F7FF
Split-complementary
Base + two colors flanking its complement
#F0FFFF
#F0FFFF
#FFF0F7
#FFF0F7
#FFF7F0
#FFF7F0
Tetradic
Two complementary pairs
#F0FFFF
#F0FFFF
#F0F0FF
#F0F0FF
#FFF0F0
#FFF0F0
#FFFFF0
#FFFFF0
Square
Four colors evenly spaced 90° apart
#F0FFFF
#F0FFFF
#F7F0FF
#F7F0FF
#FFF0F0
#FFF0F0
#F7FFF0
#F7FFF0
Azure in every color space
Full conversion of Azure 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
#F0FFFF
RGB
rgb(240, 255, 255)
CMYK
cmyk(6%, 0%, 0%, 0%)
HSL
hsl(180, 100%, 97%)
HSV
hsv(180, 6%, 100%)
HWB
hwb(180 94% 0%)
CIE Lab
lab(98.9 -4.9 -1.7)
OKLCH
oklch(98.9% 0.016 196.9)
XYZ (D65)
xyz(89.74, 97.26, 108.63)
Copy-ready code for Azure
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: #F0FFFF;
background-color: #F0FFFF;CSS variable
:root {
--color-azure: #F0FFFF;
}Tailwind config
// tailwind.config.js
colors: {
'azure': '#F0FFFF',
}Sass
$color-azure: #F0FFFF;Swift UIColor
UIColor(red: 0.941, green: 1.000, blue: 1.000, alpha: 1.0)Android XML
<color name="azure">#F0FFFF</color>Closest match in every color system
The nearest Azure 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 CSS Named Colors
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 9010
#FFFFFF
Pure white
RAL 9016
#F6F6F6
Traffic white
RAL 9003
#F4F4F4
Signal white
RAL 9002
#E7EBDA
Grey white
RAL 7035
#D7D7D7
Light grey
RAL 9018
#D7D7D7
Papyrus white
FAQ about Azure
What is the HEX code for Azure?
Azure (azure) has the HEX code #F0FFFF. In RGB it is rgb(240, 255, 255), and in CMYK it is cmyk(6%, 0%, 0%, 0%).
What is the OKLCH value of Azure?
Azure converts to oklch(0.989 0.016 196.9). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Azure accessible for body text?
Used as a background, Azure has a contrast ratio of 20.45:1 with black text and 1.03:1 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 Azure?
The closest Pantone reference to Azure 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 Azure?
The closest RAL Classic reference to Azure by ΔE2000 distance is RAL 9010 (Pure white, #FFFFFF). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Azure?
The complementary color (180° opposite on the HSL color wheel) of Azure is #FFF0F0. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
CSS Named Colors (CSS Color Module Level 4)
The 147 named colors defined by the W3C CSS Color Module Level 4 specification. Origin: VGA (16) + X11 (rest) + 'rebeccapurple'. Use as a reference for web color names that all browsers natively support. Names like 'crimson' or 'rebeccapurple' work as CSS values without any framework.
- Source type
- derived
- Confidence
- high
- License
- W3C permissive document license
- Last reviewed
- 2026-05-24
Workflow tags
CSS named colors are sRGB digital values defined for browsers. For print, convert to a process-appropriate color and proof against substrate.