#539FEB#539FEB
#539FEB is a light, vivid cyan. Relative luminance 0.326; OKLCH L 68.7% C 0.136 H 250.4°. Best body text is #000000 at 7.53:1 contrast (WCAG AA passes).
Color values
| HEX | #539FEB |
|---|---|
| RGB | rgb(83, 159, 235) |
| HSL | hsl(210, 79%, 62%) |
| HSV | hsv(210, 65%, 92%) |
| CMYK | cmyk(64.7%, 32.3%, 0%, 7.8%) |
| CIE-LAB | lab(63.86, -0.22, -45.19) |
| CIE-LCH | lch(63.86, 45.19, 269.72°) |
| OKLab | oklab(68.74% -0.0455 -0.1279) |
| OKLCH | oklch(68.74% 0.136 250.4) |
| XYZ | xyz(30.9553, 32.6303, 83.2481) |
| Luminance | 0.3263 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.87
Dodgerblue
#1E90FF
ΔE00 4.86
Dark Sky Blue
#448EE4
ΔE00 5.35
Cornflowerblue
#6495ED
ΔE00 5.45
Sky Blue (survey)
#75BBFD
ΔE00 7.95
Faded Blue
#658CBB
ΔE00 8.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#539FEB #EB9F53
analogous
#53EBEB #539FEB #5353EB
triadic
#539FEB #EB539F #9FEB53
tetradic
#539FEB #EB53EB #EB9F53 #53EB53
square
#539FEB #EB53EB #EB9F53 #53EB53
split-complementary
#539FEB #EB5353 #EBEB53
monochromatic
#1462AF #1C80E5 #539FEB #8ABEF1 #C1DCF8
Accessibility & contrast
On white
2.79
#539FEB on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.53
#539FEB on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #539FEB
7.53:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##539FEB | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##539FEB | 1.00 | 2.79 | 7.53 | 7.53 |
| #FFFFFF | 2.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.53 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.53 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7EA3EE
Deuteranopia (green-blind)
#6994E9
Tritanopia (blue-blind)
#00B1BA
Achromatopsia (no color)
#9B9B9B
Design tokens & code
CSS
--color: #539feb; /* rgb */ color: rgb(83, 159, 235); /* oklch */ color: oklch(68.7% 0.136 250.4);
Tailwind
colors: {
custom: {
50: '#91bbf2',
500: '#539feb',
950: '#000000',
},
}SCSS
$custom: #539feb; $custom-light: #91bbf2; $custom-dark: #000000;
JSON
{
"hex": "#539feb",
"rgb": {
"r": 83,
"g": 159,
"b": 235
},
"hsl": {
"h": 210,
"s": 79.167,
"l": 62.353
},
"oklch": {
"l": 0.68741,
"c": 0.13574,
"h": 250.4
},
"luminance": 0.32633
}Semantic roles & 50–950 ramp
primary
#539FEB
secondary
#E9CDB1
accent
#730ADB
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1117
muted
#7E8085