#581C8D#581C8D
#581C8D is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.172 H 302.9°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).
Color values
| HEX | #581C8D |
|---|---|
| RGB | rgb(88, 28, 141) |
| HSL | hsl(272, 67%, 33%) |
| HSV | hsv(272, 80%, 55%) |
| CMYK | cmyk(37.6%, 80.1%, 0%, 44.7%) |
| CIE-LAB | lab(26.24, 47.89, -50.68) |
| CIE-LCH | lch(26.24, 69.72, 313.38°) |
| OKLab | oklab(38.59% 0.0936 -0.1446) |
| OKLCH | oklch(38.59% 0.172 302.9) |
| XYZ | xyz(9.2463, 4.8283, 25.6390) |
| Luminance | 0.0483 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Indigo
#4B0082
ΔE00 4.29
Rebeccapurple
#663399
ΔE00 5.37
Royal Purple (survey)
#4B006E
ΔE00 6.21
Indigo (survey)
#380282
ΔE00 6.43
Purple (survey)
#7E1E9C
ΔE00 7.11
Indigo Blue
#3A18B1
ΔE00 7.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#581C8D #518D1C
analogous
#1F1C8D #581C8D #8D1C89
triadic
#581C8D #8D581C #1C8D58
tetradic
#581C8D #8D1F1C #518D1C #1C898D
square
#581C8D #8D1F1C #518D1C #1C898D
split-complementary
#581C8D #898D1C #1C8D1F
monochromatic
#180827 #38125A #581C8D #7826C0 #9649DB
Accessibility & contrast
On white
10.68
#581C8D on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.97
#581C8D on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #581C8D
10.68:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##581C8D | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##581C8D | 1.00 | 10.68 | 1.97 | 10.68 |
| #FFFFFF | 10.68 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.97 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 10.68 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#003D90
Deuteranopia (green-blind)
#003E8B
Tritanopia (blue-blind)
#4D3A54
Achromatopsia (no color)
#3E3E3E
Design tokens & code
CSS
--color: #581c8d; /* rgb */ color: rgb(88, 28, 141); /* oklch */ color: oklch(38.6% 0.172 302.9);
Tailwind
colors: {
custom: {
50: '#8d60af',
500: '#581c8d',
950: '#000000',
},
}SCSS
$custom: #581c8d; $custom-light: #8d60af; $custom-dark: #000000;
JSON
{
"hex": "#581c8d",
"rgb": {
"r": 88,
"g": 28,
"b": 141
},
"hsl": {
"h": 271.858,
"s": 66.864,
"l": 33.137
},
"oklch": {
"l": 0.38593,
"c": 0.17227,
"h": 302.9
},
"luminance": 0.04828
}Semantic roles & 50–950 ramp
primary
#581C8D
secondary
#7FBD48
accent
#EA3E8F
background
#F9F5FA
surface
#F1EAF5
border
#CBC6CF
text
#0D0510
muted
#7E797F