#559CB7#559CB7
#559CB7 is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.7% C 0.082 H 225.0°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).
Color values
| HEX | #559CB7 |
|---|---|
| RGB | rgb(85, 156, 183) |
| HSL | hsl(197, 40%, 53%) |
| HSV | hsv(197, 54%, 72%) |
| CMYK | cmyk(53.6%, 14.8%, 0%, 28.2%) |
| CIE-LAB | lab(60.89, -14.62, -20.84) |
| CIE-LCH | lch(60.89, 25.45, 234.95°) |
| OKLab | oklab(65.7% -0.0578 -0.0578) |
| OKLCH | oklch(65.7% 0.082 225) |
| XYZ | xyz(24.1788, 29.1250, 49.1381) |
| Luminance | 0.2913 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.15
Bluegrey
#85A3B2
ΔE00 8.09
Dirty Blue
#3F829D
ΔE00 9.08
Teal Blue
#01889F
ΔE00 9.39
Turquoise Blue
#06B1C4
ΔE00 9.44
Bluey Grey
#89A0B0
ΔE00 9.61
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559CB7 #B77055
analogous
#55B7A1 #559CB7 #556BB7
triadic
#559CB7 #B7559C #9CB755
tetradic
#559CB7 #A155B7 #B77055 #6BB755
square
#559CB7 #A155B7 #B77055 #6BB755
split-complementary
#559CB7 #B7556B #B7A155
monochromatic
#2B5666 #3E7A91 #559CB7 #80B5C9 #ABCEDB
Accessibility & contrast
On white
3.08
#559CB7 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.83
#559CB7 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #559CB7
6.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559CB7 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559CB7 | 1.00 | 3.08 | 6.83 | 6.83 |
| #FFFFFF | 3.08 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.83 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.83 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#8D99B8
Deuteranopia (green-blind)
#7F8EB7
Tritanopia (blue-blind)
#0DA4A5
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #559cb7; /* rgb */ color: rgb(85, 156, 183); /* oklch */ color: oklch(65.7% 0.082 225.0);
Tailwind
colors: {
custom: {
50: '#8cb9cc',
500: '#559cb7',
950: '#000000',
},
}SCSS
$custom: #559cb7; $custom-light: #8cb9cc; $custom-dark: #000000;
JSON
{
"hex": "#559cb7",
"rgb": {
"r": 85,
"g": 156,
"b": 183
},
"hsl": {
"h": 196.531,
"s": 40.496,
"l": 52.549
},
"oklch": {
"l": 0.65695,
"c": 0.08179,
"h": 225
},
"luminance": 0.29127
}Semantic roles & 50–950 ramp
primary
#559CB7
secondary
#C9AA9F
accent
#7957D0
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1113
muted
#7D8082