#559DCF#559DCF
#559DCF is a light, moderate cyan. Relative luminance 0.305; OKLCH L 67.0% C 0.104 H 241.0°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).
Color values
| HEX | #559DCF |
|---|---|
| RGB | rgb(85, 157, 207) |
| HSL | hsl(205, 56%, 57%) |
| HSV | hsv(205, 59%, 81%) |
| CMYK | cmyk(58.9%, 24.2%, 0%, 18.8%) |
| CIE-LAB | lab(62.12, -7.81, -32.39) |
| CIE-LCH | lch(62.12, 33.32, 256.45°) |
| OKLab | oklab(66.98% -0.0504 -0.0908) |
| OKLCH | oklch(66.98% 0.104 241) |
| XYZ | xyz(27.0616, 30.5477, 63.4896) |
| Luminance | 0.3055 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Azure (survey)
#069AF3
ΔE00 4.86
Dark Sky Blue
#448EE4
ΔE00 6.62
Dodgerblue
#1E90FF
ΔE00 7.03
Faded Blue
#658CBB
ΔE00 7.56
Cornflowerblue
#6495ED
ΔE00 7.67
Water Blue
#0E87CC
ΔE00 8.13
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559DCF #CF8755
analogous
#55CFC4 #559DCF #5560CF
triadic
#559DCF #CF559D #9DCF55
tetradic
#559DCF #C455CF #CF8755 #60CF55
square
#559DCF #C455CF #CF8755 #60CF55
split-complementary
#559DCF #CF5560 #CFC455
monochromatic
#255D84 #337FB4 #559DCF #85B9DC #B4D4EA
Accessibility & contrast
On white
2.95
#559DCF on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.11
#559DCF on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559DCF
7.11:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559DCF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559DCF | 1.00 | 2.95 | 7.11 | 7.11 |
| #FFFFFF | 2.95 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.11 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.11 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#879DD1
Deuteranopia (green-blind)
#7691CE
Tritanopia (blue-blind)
#00A9AE
Achromatopsia (no color)
#969696
Design tokens & code
CSS
--color: #559dcf; /* rgb */ color: rgb(85, 157, 207); /* oklch */ color: oklch(67.0% 0.104 241.0);
Tailwind
colors: {
custom: {
50: '#8fb9de',
500: '#559dcf',
950: '#000000',
},
}SCSS
$custom: #559dcf; $custom-light: #8fb9de; $custom-dark: #000000;
JSON
{
"hex": "#559dcf",
"rgb": {
"r": 85,
"g": 157,
"b": 207
},
"hsl": {
"h": 204.59,
"s": 55.963,
"l": 57.255
},
"oklch": {
"l": 0.66984,
"c": 0.10385,
"h": 241
},
"luminance": 0.3055
}Semantic roles & 50–950 ramp
primary
#559DCF
secondary
#D9BBA7
accent
#8649DF
background
#F9FBFD
surface
#F2F6FB
border
#CCD0D4
text
#0D1115
muted
#7E8083