#581B63#581B63
#581B63 is a dark, vivid purple. Relative luminance 0.038; OKLCH L 35.2% C 0.131 H 321.2°. Best body text is #FFFFFF at 11.99:1 contrast (WCAG AA passes).
Color values
| HEX | #581B63 |
|---|---|
| RGB | rgb(88, 27, 99) |
| HSL | hsl(291, 57%, 25%) |
| HSV | hsv(291, 73%, 39%) |
| CMYK | cmyk(11.1%, 72.7%, 0%, 61.2%) |
| CIE-LAB | lab(22.86, 38.72, -29.36) |
| CIE-LCH | lch(22.86, 48.59, 322.83°) |
| OKLab | oklab(35.18% 0.1018 -0.082) |
| OKLCH | oklch(35.18% 0.131 321.2) |
| XYZ | xyz(6.6683, 3.7598, 12.1764) |
| Luminance | 0.0376 (WCAG relative) |
| Temperature | neutral |
| Family | purple |
Closest named colors
Plum Purple
#4E0550
ΔE00 4.51
Grape Purple
#5D1451
ΔE00 5.17
Darkish Purple
#751973
ΔE00 5.78
Deep Violet
#490648
ΔE00 5.82
Royal Purple (survey)
#4B006E
ΔE00 6.27
Eggplant Purple
#430541
ΔE00 7.25
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#581B63 #26631B
analogous
#341B63 #581B63 #631B4A
triadic
#581B63 #63581B #1B6358
tetradic
#581B63 #63341B #26631B #1B4A63
square
#581B63 #63341B #26631B #1B4A63
split-complementary
#581B63 #4A631B #1B6334
monochromatic
#150718 #2D0E33 #581B63 #832893 #AD35C3
Accessibility & contrast
On white
11.99
#581B63 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.75
#581B63 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #581B63
11.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##581B63 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##581B63 | 1.00 | 11.99 | 1.75 | 11.99 |
| #FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.75 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 11.99 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#033265
Deuteranopia (green-blind)
#233961
Tritanopia (blue-blind)
#59283D
Achromatopsia (no color)
#373737
Design tokens & code
CSS
--color: #581b63; /* rgb */ color: rgb(88, 27, 99); /* oklch */ color: oklch(35.2% 0.131 321.2);
Tailwind
colors: {
custom: {
50: '#8a5d90',
500: '#581b63',
950: '#000000',
},
}SCSS
$custom: #581b63; $custom-light: #8a5d90; $custom-dark: #000000;
JSON
{
"hex": "#581b63",
"rgb": {
"r": 88,
"g": 27,
"b": 99
},
"hsl": {
"h": 290.833,
"s": 57.143,
"l": 24.706
},
"oklch": {
"l": 0.35184,
"c": 0.13076,
"h": 321.2
},
"luminance": 0.03759
}Semantic roles & 50–950 ramp
primary
#581B63
secondary
#4F9841
accent
#E0475F
background
#F8F5F8
surface
#F0E9F0
border
#CBC5CB
text
#0C040C
muted
#7D797D