#539CDF#539CDF
#539CDF is a light, vivid cyan. Relative luminance 0.309; OKLCH L 67.5% C 0.124 H 248.3°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).
Color values
| HEX | #539CDF |
|---|---|
| RGB | rgb(83, 156, 223) |
| HSL | hsl(209, 69%, 60%) |
| HSV | hsv(209, 63%, 87%) |
| CMYK | cmyk(62.8%, 30%, 0%, 12.5%) |
| CIE-LAB | lab(62.46, -2.46, -40.77) |
| CIE-LCH | lch(62.46, 40.84, 266.54°) |
| OKLab | oklab(67.46% -0.0458 -0.1151) |
| OKLCH | oklch(67.46% 0.124 248.3) |
| XYZ | xyz(28.7701, 30.9408, 74.2537) |
| Luminance | 0.3094 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 3.47
Dodgerblue
#1E90FF
ΔE00 4.66
Dark Sky Blue
#448EE4
ΔE00 4.66
Cornflowerblue
#6495ED
ΔE00 5.53
Faded Blue
#658CBB
ΔE00 7.17
Water Blue
#0E87CC
ΔE00 8.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#539CDF #DF9653
analogous
#53DFDC #539CDF #5356DF
triadic
#539CDF #DF539C #9CDF53
tetradic
#539CDF #DC53DF #DF9653 #56DF53
square
#539CDF #DC53DF #DF9653 #56DF53
split-complementary
#539CDF #DF5356 #DFDC53
monochromatic
#1D5F9B #267ECE #539CDF #87BAE9 #BAD7F2
Accessibility & contrast
On white
2.92
#539CDF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.19
#539CDF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #539CDF
7.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##539CDF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##539CDF | 1.00 | 2.92 | 7.19 | 7.19 |
| #FFFFFF | 2.92 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.19 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.19 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#7F9FE2
Deuteranopia (green-blind)
#6C91DE
Tritanopia (blue-blind)
#00ACB4
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #539cdf; /* rgb */ color: rgb(83, 156, 223); /* oklch */ color: oklch(67.5% 0.124 248.3);
Tailwind
colors: {
custom: {
50: '#90b9e9',
500: '#539cdf',
950: '#000000',
},
}SCSS
$custom: #539cdf; $custom-light: #90b9e9; $custom-dark: #000000;
JSON
{
"hex": "#539cdf",
"rgb": {
"r": 83,
"g": 156,
"b": 223
},
"hsl": {
"h": 208.714,
"s": 68.627,
"l": 60
},
"oklch": {
"l": 0.67456,
"c": 0.12385,
"h": 248.3
},
"luminance": 0.30944
}Semantic roles & 50–950 ramp
primary
#539CDF
secondary
#E2C6AC
accent
#903CEB
background
#F9FBFE
surface
#F2F6FD
border
#CCD0D5
text
#0E1116
muted
#7E8084