#539BDE#539BDE
#539BDE is a light, vivid cyan. Relative luminance 0.306; OKLCH L 67.2% C 0.123 H 248.6°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).
Color values
| HEX | #539BDE |
|---|---|
| RGB | rgb(83, 155, 222) |
| HSL | hsl(209, 68%, 60%) |
| HSV | hsv(209, 63%, 87%) |
| CMYK | cmyk(62.6%, 30.2%, 0%, 12.9%) |
| CIE-LAB | lab(62.13, -2.22, -40.73) |
| CIE-LCH | lch(62.13, 40.79, 266.88°) |
| OKLab | oklab(67.18% -0.0451 -0.115) |
| OKLCH | oklch(67.18% 0.123 248.6) |
| XYZ | xyz(28.4686, 30.5529, 73.4901) |
| Luminance | 0.3056 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.54
Dark Sky Blue
#448EE4
ΔE00 4.35
Dodgerblue
#1E90FF
ΔE00 4.45
Cornflowerblue
#6495ED
ΔE00 5.34
Faded Blue
#658CBB
ΔE00 6.88
Water Blue
#0E87CC
ΔE00 7.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#539BDE #DE9653
analogous
#53DEDC #539BDE #5355DE
triadic
#539BDE #DE539B #9BDE53
tetradic
#539BDE #DC53DE #DE9653 #55DE53
square
#539BDE #DC53DE #DE9653 #55DE53
split-complementary
#539BDE #DE5355 #DEDC53
monochromatic
#1D5E99 #277DCD #539BDE #86B9E8 #BAD7F2
Accessibility & contrast
On white
2.95
#539BDE on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.11
#539BDE on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #539BDE
7.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##539BDE | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##539BDE | 1.00 | 2.95 | 7.11 | 7.11 |
| #FFFFFF | 2.95 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.11 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.11 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7E9EE1
Deuteranopia (green-blind)
#6B90DD
Tritanopia (blue-blind)
#00ABB3
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #539bde; /* rgb */ color: rgb(83, 155, 222); /* oklch */ color: oklch(67.2% 0.123 248.6);
Tailwind
colors: {
custom: {
50: '#90b8e8',
500: '#539bde',
950: '#000000',
},
}SCSS
$custom: #539bde; $custom-light: #90b8e8; $custom-dark: #000000;
JSON
{
"hex": "#539bde",
"rgb": {
"r": 83,
"g": 155,
"b": 222
},
"hsl": {
"h": 208.921,
"s": 67.805,
"l": 59.804
},
"oklch": {
"l": 0.67182,
"c": 0.12348,
"h": 248.6
},
"luminance": 0.30556
}Semantic roles & 50–950 ramp
primary
#539BDE
secondary
#E1C5AC
accent
#913DEB
background
#F9FBFE
surface
#F2F6FC
border
#CCD0D5
text
#0E1116
muted
#7E8084