#559FB2#559FB2
#559FB2 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.2% C 0.079 H 216.5°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).
Color values
| HEX | #559FB2 |
|---|---|
| RGB | rgb(85, 159, 178) |
| HSL | hsl(192, 38%, 52%) |
| HSV | hsv(192, 52%, 70%) |
| CMYK | cmyk(52.2%, 10.7%, 0%, 30.2%) |
| CIE-LAB | lab(61.60, -17.69, -16.94) |
| CIE-LCH | lch(61.60, 24.49, 223.76°) |
| OKLab | oklab(66.2% -0.0633 -0.0469) |
| OKLCH | oklch(66.2% 0.079 216.5) |
| XYZ | xyz(24.1772, 29.9398, 46.6157) |
| Luminance | 0.2994 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 6.25
Cadetblue
#5F9EA0
ΔE00 6.64
Turquoise Blue
#06B1C4
ΔE00 7.23
Bluegrey
#85A3B2
ΔE00 8.77
Teal Blue
#01889F
ΔE00 9.32
Dirty Blue
#3F829D
ΔE00 10.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559FB2 #B26855
analogous
#55B297 #559FB2 #5571B2
triadic
#559FB2 #B2559F #9FB255
tetradic
#559FB2 #9755B2 #B26855 #71B255
square
#559FB2 #9755B2 #B26855 #71B255
split-complementary
#559FB2 #B25571 #B29755
monochromatic
#2C5661 #3F7B8B #559FB2 #7FB7C5 #A9CFD8
Accessibility & contrast
On white
3.00
#559FB2 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
6.99
#559FB2 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #559FB2
6.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559FB2 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559FB2 | 1.00 | 3.00 | 6.99 | 6.99 |
| #FFFFFF | 3.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 6.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 6.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#929BB3
Deuteranopia (green-blind)
#8490B2
Tritanopia (blue-blind)
#16A6A5
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #559fb2; /* rgb */ color: rgb(85, 159, 178); /* oklch */ color: oklch(66.2% 0.079 216.5);
Tailwind
colors: {
custom: {
50: '#8cbbc9',
500: '#559fb2',
950: '#000000',
},
}SCSS
$custom: #559fb2; $custom-light: #8cbbc9; $custom-dark: #000000;
JSON
{
"hex": "#559fb2",
"rgb": {
"r": 85,
"g": 159,
"b": 178
},
"hsl": {
"h": 192.258,
"s": 37.652,
"l": 51.569
},
"oklch": {
"l": 0.66203,
"c": 0.07875,
"h": 216.5
},
"luminance": 0.29942
}Semantic roles & 50–950 ramp
primary
#559FB2
secondary
#C6A59D
accent
#725ACE
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1213
muted
#7D8182