#559DCD#559DCD
#559DCD is a light, moderate cyan. Relative luminance 0.305; OKLCH L 66.9% C 0.102 H 239.9°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).
Color values
| HEX | #559DCD |
|---|---|
| RGB | rgb(85, 157, 205) |
| HSL | hsl(204, 55%, 57%) |
| HSV | hsv(204, 59%, 80%) |
| CMYK | cmyk(58.5%, 23.4%, 0%, 19.6%) |
| CIE-LAB | lab(62.04, -8.44, -31.40) |
| CIE-LCH | lch(62.04, 32.52, 254.96°) |
| OKLab | oklab(66.89% -0.051 -0.088) |
| OKLCH | oklch(66.89% 0.102 239.9) |
| XYZ | xyz(26.8186, 30.4505, 62.2100) |
| Luminance | 0.3045 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 5.26
Dark Sky Blue
#448EE4
ΔE00 6.98
Dodgerblue
#1E90FF
ΔE00 7.44
Faded Blue
#658CBB
ΔE00 7.69
Greyblue
#77A1B5
ΔE00 7.89
Cornflowerblue
#6495ED
ΔE00 8.03
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559DCD #CD8555
analogous
#55CDC1 #559DCD #5561CD
triadic
#559DCD #CD559D #9DCD55
tetradic
#559DCD #C155CD #CD8555 #61CD55
square
#559DCD #C155CD #CD8555 #61CD55
split-complementary
#559DCD #CD5561 #CDC155
monochromatic
#265D82 #347FB1 #559DCD #84B8DB #B4D4E9
Accessibility & contrast
On white
2.96
#559DCD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.09
#559DCD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559DCD
7.09:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559DCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559DCD | 1.00 | 2.96 | 7.09 | 7.09 |
| #FFFFFF | 2.96 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.09 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.09 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#879DCF
Deuteranopia (green-blind)
#7791CC
Tritanopia (blue-blind)
#00A9AD
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #559dcd; /* rgb */ color: rgb(85, 157, 205); /* oklch */ color: oklch(66.9% 0.102 239.9);
Tailwind
colors: {
custom: {
50: '#8eb9dc',
500: '#559dcd',
950: '#000000',
},
}SCSS
$custom: #559dcd; $custom-light: #8eb9dc; $custom-dark: #000000;
JSON
{
"hex": "#559dcd",
"rgb": {
"r": 85,
"g": 157,
"b": 205
},
"hsl": {
"h": 204,
"s": 54.545,
"l": 56.863
},
"oklch": {
"l": 0.66891,
"c": 0.1017,
"h": 239.9
},
"luminance": 0.30453
}Semantic roles & 50–950 ramp
primary
#559DCD
secondary
#D7BAA6
accent
#854ADE
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083