#559BCD#559BCD
#559BCD is a light, moderate cyan. Relative luminance 0.298; OKLCH L 66.4% C 0.103 H 241.6°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).
Color values
| HEX | #559BCD |
|---|---|
| RGB | rgb(85, 155, 205) |
| HSL | hsl(205, 55%, 57%) |
| HSV | hsv(205, 59%, 80%) |
| CMYK | cmyk(58.5%, 24.4%, 0%, 19.6%) |
| CIE-LAB | lab(61.46, -7.32, -32.30) |
| CIE-LCH | lch(61.46, 33.12, 257.23°) |
| OKLab | oklab(66.43% -0.0489 -0.0905) |
| OKLCH | oklch(66.43% 0.103 241.6) |
| XYZ | xyz(26.4830, 29.7793, 62.0981) |
| Luminance | 0.2978 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 4.78
Dark Sky Blue
#448EE4
ΔE00 6.06
Dodgerblue
#1E90FF
ΔE00 6.61
Faded Blue
#658CBB
ΔE00 6.96
Cornflowerblue
#6495ED
ΔE00 7.31
Water Blue
#0E87CC
ΔE00 7.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559BCD #CD8755
analogous
#55CDC3 #559BCD #555FCD
triadic
#559BCD #CD559B #9BCD55
tetradic
#559BCD #C355CD #CD8755 #5FCD55
square
#559BCD #C355CD #CD8755 #5FCD55
split-complementary
#559BCD #CD555F #CDC355
monochromatic
#265B82 #347DB1 #559BCD #84B7DB #B4D3E9
Accessibility & contrast
On white
3.02
#559BCD on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.96
#559BCD on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #559BCD
6.96:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559BCD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559BCD | 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)
#859BCF
Deuteranopia (green-blind)
#758FCC
Tritanopia (blue-blind)
#00A7AC
Achromatopsia (no color)
#949494
Design tokens & code
CSS
--color: #559bcd; /* rgb */ color: rgb(85, 155, 205); /* oklch */ color: oklch(66.4% 0.103 241.6);
Tailwind
colors: {
custom: {
50: '#8eb8dc',
500: '#559bcd',
950: '#000000',
},
}SCSS
$custom: #559bcd; $custom-light: #8eb8dc; $custom-dark: #000000;
JSON
{
"hex": "#559bcd",
"rgb": {
"r": 85,
"g": 155,
"b": 205
},
"hsl": {
"h": 205,
"s": 54.545,
"l": 56.863
},
"oklch": {
"l": 0.66434,
"c": 0.10289,
"h": 241.6
},
"luminance": 0.29782
}Semantic roles & 50–950 ramp
primary
#559BCD
secondary
#D7BBA6
accent
#884ADE
background
#F9FBFD
surface
#F1F6FB
border
#CBD0D4
text
#0D1115
muted
#7E8083