#559FCC#559FCC
#559FCC is a light, moderate cyan. Relative luminance 0.311; OKLCH L 67.3% C 0.100 H 237.5°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).
Color values
| HEX | #559FCC |
|---|---|
| RGB | rgb(85, 159, 204) |
| HSL | hsl(203, 54%, 57%) |
| HSV | hsv(203, 58%, 80%) |
| CMYK | cmyk(58.3%, 22.1%, 0%, 20%) |
| CIE-LAB | lab(62.58, -9.86, -30.01) |
| CIE-LCH | lch(62.58, 31.59, 251.81°) |
| OKLab | oklab(67.3% -0.0536 -0.084) |
| OKLCH | oklch(67.3% 0.1 237.5) |
| XYZ | xyz(27.0394, 31.0847, 61.6900) |
| Luminance | 0.3109 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 6.17
Greyblue
#77A1B5
ΔE00 7.22
Dark Sky Blue
#448EE4
ΔE00 8.13
Faded Blue
#658CBB
ΔE00 8.54
Dodgerblue
#1E90FF
ΔE00 8.58
Dusty Blue
#5A86AD
ΔE00 8.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559FCC #CC8255
analogous
#55CCBE #559FCC #5564CC
triadic
#559FCC #CC559F #9FCC55
tetradic
#559FCC #BE55CC #CC8255 #64CC55
square
#559FCC #BE55CC #CC8255 #64CC55
split-complementary
#559FCC #CC5564 #CCBE55
monochromatic
#265E80 #3581AF #559FCC #84BADA #B3D4E8
Accessibility & contrast
On white
2.91
#559FCC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.22
#559FCC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559FCC
7.22:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559FCC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559FCC | 1.00 | 2.91 | 7.22 | 7.22 |
| #FFFFFF | 2.91 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.22 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.22 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8A9ECE
Deuteranopia (green-blind)
#7A92CB
Tritanopia (blue-blind)
#00ABAE
Achromatopsia (no color)
#979797
Design tokens & code
CSS
--color: #559fcc; /* rgb */ color: rgb(85, 159, 204); /* oklch */ color: oklch(67.3% 0.100 237.5);
Tailwind
colors: {
custom: {
50: '#8ebbdb',
500: '#559fcc',
950: '#000000',
},
}SCSS
$custom: #559fcc; $custom-light: #8ebbdb; $custom-dark: #000000;
JSON
{
"hex": "#559fcc",
"rgb": {
"r": 85,
"g": 159,
"b": 204
},
"hsl": {
"h": 202.689,
"s": 53.846,
"l": 56.667
},
"oklch": {
"l": 0.67304,
"c": 0.09961,
"h": 237.5
},
"luminance": 0.31087
}Semantic roles & 50–950 ramp
primary
#559FCC
secondary
#D7B8A6
accent
#824BDD
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083