#57587E#57587E
#57587E is a mid, moderate blue. Relative luminance 0.105; OKLCH L 47.5% C 0.061 H 282.7°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).
Color values
| HEX | #57587E |
|---|---|
| RGB | rgb(87, 88, 126) |
| HSL | hsl(238, 18%, 42%) |
| HSV | hsv(238, 31%, 49%) |
| CMYK | cmyk(31%, 30.2%, 0%, 50.6%) |
| CIE-LAB | lab(38.75, 9.05, -21.48) |
| CIE-LCH | lch(38.75, 23.31, 292.84°) |
| OKLab | oklab(47.53% 0.0134 -0.0596) |
| OKLCH | oklch(47.53% 0.061 282.7) |
| XYZ | xyz(11.1851, 10.5117, 21.1743) |
| Luminance | 0.1051 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Dusk
#4E5481
ΔE00 3.07
Twilight
#4E518B
ΔE00 5.45
Dusky Blue
#475F94
ΔE00 8.08
Denim Blue
#3B5B92
ΔE00 9.56
Darkslateblue
#483D8B
ΔE00 11.10
Blueberry
#464196
ΔE00 11.20
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#57587E #7E7D57
analogous
#576C7E #57587E #6A577E
triadic
#57587E #7E5758 #587E57
tetradic
#57587E #7E576C #7E7D57 #577E6A
square
#57587E #7E576C #7E7D57 #577E6A
split-complementary
#57587E #7E6A57 #6C7E57
monochromatic
#252536 #3E3F5A #57587E #74759F #9899B8
Accessibility & contrast
On white
6.77
#57587E on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
3.10
#57587E on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #57587E
6.77:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##57587E | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##57587E | 1.00 | 6.77 | 3.10 | 6.77 |
| #FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
| #000000 | 3.10 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 6.77 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#4D5D80
Deuteranopia (green-blind)
#4C5A7D
Tritanopia (blue-blind)
#4D5F65
Achromatopsia (no color)
#5B5B5B
Design tokens & code
CSS
--color: #57587e; /* rgb */ color: rgb(87, 88, 126); /* oklch */ color: oklch(47.5% 0.061 282.7);
Tailwind
colors: {
custom: {
50: '#8787a3',
500: '#57587e',
950: '#000000',
},
}SCSS
$custom: #57587e; $custom-light: #8787a3; $custom-dark: #000000;
JSON
{
"hex": "#57587e",
"rgb": {
"r": 87,
"g": 88,
"b": 126
},
"hsl": {
"h": 238.462,
"s": 18.31,
"l": 41.765
},
"oklch": {
"l": 0.47534,
"c": 0.06104,
"h": 282.7
},
"luminance": 0.10512
}Semantic roles & 50–950 ramp
primary
#57587E
secondary
#A6A58B
accent
#B96DBB
background
#F8F8FA
surface
#EFEFF4
border
#CACACE
text
#0B0B0F
muted
#7C7C7F