#577F89#577F89
#577F89 is a mid, muted cyan. Relative luminance 0.190; OKLCH L 57.1% C 0.047 H 215.1°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).
Color values
| HEX | #577F89 |
|---|---|
| RGB | rgb(87, 127, 137) |
| HSL | hsl(192, 22%, 44%) |
| HSV | hsv(192, 36%, 54%) |
| CMYK | cmyk(36.5%, 7.3%, 0%, 46.3%) |
| CIE-LAB | lab(50.70, -11.23, -9.85) |
| CIE-LCH | lch(50.70, 14.93, 221.27°) |
| OKLab | oklab(57.06% -0.0385 -0.027) |
| OKLCH | oklch(57.06% 0.047 215.1) |
| XYZ | xyz(16.0337, 19.0102, 26.4865) |
| Luminance | 0.1901 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Dirty Blue
#3F829D
ΔE00 6.31
Steel Grey
#6F828A
ΔE00 6.42
Grey Blue
#647D8E
ΔE00 6.58
Battleship Grey
#6B7C85
ΔE00 6.85
Bluish Grey
#748B97
ΔE00 7.83
Ocean
#017B92
ΔE00 8.04
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#577F89 #896157
analogous
#57897A #577F89 #576689
triadic
#577F89 #89577F #7F8957
tetradic
#577F89 #7A5789 #896157 #668957
square
#577F89 #7A5789 #896157 #668957
split-complementary
#577F89 #895766 #897A57
monochromatic
#273A3E #3F5C64 #577F89 #769EA8 #9BB8BF
Accessibility & contrast
On white
4.37
#577F89 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
4.80
#577F89 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #577F89
4.80:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##577F89 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##577F89 | 1.00 | 4.37 | 4.80 | 4.80 |
| #FFFFFF | 4.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 4.80 | 21.00 | 1.00 | 1.00 |
| ##000000 | 4.80 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#787C8A
Deuteranopia (green-blind)
#707689
Tritanopia (blue-blind)
#448382
Achromatopsia (no color)
#797979
Design tokens & code
CSS
--color: #577f89; /* rgb */ color: rgb(87, 127, 137); /* oklch */ color: oklch(57.1% 0.047 215.1);
Tailwind
colors: {
custom: {
50: '#88a4ab',
500: '#577f89',
950: '#000000',
},
}SCSS
$custom: #577f89; $custom-light: #88a4ab; $custom-dark: #000000;
JSON
{
"hex": "#577f89",
"rgb": {
"r": 87,
"g": 127,
"b": 137
},
"hsl": {
"h": 192,
"s": 22.321,
"l": 43.922
},
"oklch": {
"l": 0.57064,
"c": 0.04699,
"h": 215.1
},
"luminance": 0.19011
}Semantic roles & 50–950 ramp
primary
#577F89
secondary
#AD958F
accent
#7A69BF
background
#F8FAFA
surface
#F0F4F4
border
#CBCECE
text
#0B0F10
muted
#7C7F7F