#539FB1#539FB1
#539FB1 is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.1% C 0.080 H 215.1°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #539FB1 |
|---|---|
| RGB | rgb(83, 159, 177) |
| HSL | hsl(191, 38%, 51%) |
| HSV | hsv(191, 53%, 69%) |
| CMYK | cmyk(53.1%, 10.2%, 0%, 30.6%) |
| CIE-LAB | lab(61.49, -18.42, -16.56) |
| CIE-LCH | lch(61.49, 24.77, 221.96°) |
| OKLab | oklab(66.08% -0.0652 -0.0458) |
| OKLCH | oklch(66.08% 0.08 215.1) |
| XYZ | xyz(23.8981, 29.8075, 46.0805) |
| Luminance | 0.2981 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Cadetblue
#5F9EA0
ΔE00 6.21
Greyblue
#77A1B5
ΔE00 6.73
Turquoise Blue
#06B1C4
ΔE00 6.93
Bluegrey
#85A3B2
ΔE00 9.17
Teal Blue
#01889F
ΔE00 9.18
Dirty Blue
#3F829D
ΔE00 10.64
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#539FB1 #B16553
analogous
#53B194 #539FB1 #5370B1
triadic
#539FB1 #B1539F #9FB153
tetradic
#539FB1 #9453B1 #B16553 #70B153
square
#539FB1 #9453B1 #B16553 #70B153
split-complementary
#539FB1 #B15370 #B19453
monochromatic
#2B555F #3E7A89 #539FB1 #7DB7C4 #A7CED7
Accessibility & contrast
On white
3.02
#539FB1 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.96
#539FB1 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #539FB1
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##539FB1 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##539FB1 | 1.00 | 3.02 | 6.96 | 6.96 |
| #FFFFFF | 3.02 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.96 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.96 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929BB2
Deuteranopia (green-blind)
#8490B1
Tritanopia (blue-blind)
#0BA6A4
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #539fb1; /* rgb */ color: rgb(83, 159, 177); /* oklch */ color: oklch(66.1% 0.080 215.1);
Tailwind
colors: {
custom: {
50: '#8bbbc8',
500: '#539fb1',
950: '#000000',
},
}SCSS
$custom: #539fb1; $custom-light: #8bbbc8; $custom-dark: #000000;
JSON
{
"hex": "#539fb1",
"rgb": {
"r": 83,
"g": 159,
"b": 177
},
"hsl": {
"h": 191.489,
"s": 37.6,
"l": 50.98
},
"oklch": {
"l": 0.66078,
"c": 0.07965,
"h": 215.1
},
"luminance": 0.2981
}Semantic roles & 50–950 ramp
primary
#539FB1
secondary
#C5A39B
accent
#705ACE
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0C1213
muted
#7D8182