#559BBF#559BBF
#559BBF is a light, moderate cyan. Relative luminance 0.291; OKLCH L 65.8% C 0.089 H 232.7°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).
Color values
| HEX | #559BBF |
|---|---|
| RGB | rgb(85, 155, 191) |
| HSL | hsl(200, 45%, 54%) |
| HSV | hsv(200, 55%, 75%) |
| CMYK | cmyk(55.5%, 18.8%, 0%, 25.1%) |
| CIE-LAB | lab(60.90, -11.67, -25.33) |
| CIE-LCH | lch(60.90, 27.88, 245.27°) |
| OKLab | oklab(65.8% -0.0537 -0.0706) |
| OKLCH | oklch(65.8% 0.089 232.7) |
| XYZ | xyz(24.8681, 29.1334, 53.5929) |
| Luminance | 0.2914 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.87
Dusty Blue
#5A86AD
ΔE00 8.25
Azure (survey)
#069AF3
ΔE00 8.49
Bluegrey
#85A3B2
ΔE00 8.63
Faded Blue
#658CBB
ΔE00 8.74
Blue Grey
#758DA3
ΔE00 8.94
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559BBF #BF7955
analogous
#55BFAE #559BBF #5566BF
triadic
#559BBF #BF559B #9BBF55
tetradic
#559BBF #AE55BF #BF7955 #66BF55
square
#559BBF #AE55BF #BF7955 #66BF55
split-complementary
#559BBF #BF5566 #BFAE55
monochromatic
#2A5870 #3B7B9C #559BBF #81B5D0 #AECFE0
Accessibility & contrast
On white
3.08
#559BBF on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.83
#559BBF on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #559BBF
6.83:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559BBF | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559BBF | 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)
#8999C1
Deuteranopia (green-blind)
#7B8EBE
Tritanopia (blue-blind)
#00A5A7
Achromatopsia (no color)
#939393
Design tokens & code
CSS
--color: #559bbf; /* rgb */ color: rgb(85, 155, 191); /* oklch */ color: oklch(65.8% 0.089 232.7);
Tailwind
colors: {
custom: {
50: '#8db8d2',
500: '#559bbf',
950: '#000000',
},
}SCSS
$custom: #559bbf; $custom-light: #8db8d2; $custom-dark: #000000;
JSON
{
"hex": "#559bbf",
"rgb": {
"r": 85,
"g": 155,
"b": 191
},
"hsl": {
"h": 200.377,
"s": 45.299,
"l": 54.118
},
"oklch": {
"l": 0.65801,
"c": 0.08868,
"h": 232.7
},
"luminance": 0.29136
}Semantic roles & 50–950 ramp
primary
#559BBF
secondary
#CEB1A1
accent
#7F53D5
background
#F9FBFC
surface
#F1F6F9
border
#CBD0D2
text
#0D1114
muted
#7E8082