#559FB4#559FB4
#559FB4 is a light, moderate cyan. Relative luminance 0.300; OKLCH L 66.3% C 0.080 H 218.5°. Best body text is #000000 at 7.00:1 contrast (WCAG AA passes).
Color values
| HEX | #559FB4 |
|---|---|
| RGB | rgb(85, 159, 180) |
| HSL | hsl(193, 39%, 52%) |
| HSV | hsv(193, 53%, 71%) |
| CMYK | cmyk(52.8%, 11.7%, 0%, 29.4%) |
| CIE-LAB | lab(61.67, -17.11, -17.96) |
| CIE-LCH | lch(61.67, 24.80, 226.39°) |
| OKLab | oklab(66.28% -0.0625 -0.0497) |
| OKLCH | oklch(66.28% 0.08 218.5) |
| XYZ | xyz(24.3795, 30.0207, 47.6810) |
| Luminance | 0.3002 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Greyblue
#77A1B5
ΔE00 5.84
Cadetblue
#5F9EA0
ΔE00 7.38
Turquoise Blue
#06B1C4
ΔE00 7.53
Bluegrey
#85A3B2
ΔE00 8.50
Teal Blue
#01889F
ΔE00 9.39
Dirty Blue
#3F829D
ΔE00 10.29
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#559FB4 #B46A55
analogous
#55B49A #559FB4 #5570B4
triadic
#559FB4 #B4559F #9FB455
tetradic
#559FB4 #9A55B4 #B46A55 #70B455
square
#559FB4 #9A55B4 #B46A55 #70B455
split-complementary
#559FB4 #B45570 #B49A55
monochromatic
#2C5763 #3E7C8D #559FB4 #7FB7C7 #AACFD9
Accessibility & contrast
On white
3.00
#559FB4 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
7.00
#559FB4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #559FB4
7.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##559FB4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##559FB4 | 1.00 | 3.00 | 7.00 | 7.00 |
| #FFFFFF | 3.00 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#919BB5
Deuteranopia (green-blind)
#8390B4
Tritanopia (blue-blind)
#12A6A6
Achromatopsia (no color)
#959595
Design tokens & code
CSS
--color: #559fb4; /* rgb */ color: rgb(85, 159, 180); /* oklch */ color: oklch(66.3% 0.080 218.5);
Tailwind
colors: {
custom: {
50: '#8cbbca',
500: '#559fb4',
950: '#000000',
},
}SCSS
$custom: #559fb4; $custom-light: #8cbbca; $custom-dark: #000000;
JSON
{
"hex": "#559fb4",
"rgb": {
"r": 85,
"g": 159,
"b": 180
},
"hsl": {
"h": 193.263,
"s": 38.776,
"l": 51.961
},
"oklch": {
"l": 0.66282,
"c": 0.07986,
"h": 218.5
},
"luminance": 0.30023
}Semantic roles & 50–950 ramp
primary
#559FB4
secondary
#C7A79E
accent
#7359CF
background
#F8FBFC
surface
#F0F6F8
border
#CBD0D1
text
#0D1213
muted
#7D8182