#581C6B#581C6B

#581C6B is a dark, vivid purple. Relative luminance 0.040; OKLCH L 35.9% C 0.137 H 316.8°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#581C6B
RGB	rgb(88, 28, 107)
HSL	hsl(286, 59%, 26%)
HSV	hsv(286, 74%, 42%)
CMYK	cmyk(17.8%, 73.8%, 0%, 58%)
CIE-LAB	lab(23.56, 39.98, -33.45)
CIE-LCH	lch(23.56, 52.13, 320.09°)
OKLab	oklab(35.86% 0.1002 -0.094)
OKLCH	oklch(35.86% 0.137 316.8)
XYZ	xyz(7.0932, 3.9670, 14.2991)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C6B #2F6B1C

analogous

#311C6B #581C6B #6B1C57

triadic

#581C6B #6B581C #1C6B58

tetradic

#581C6B #6B311C #2F6B1C #1C576B

square

#581C6B #6B311C #2F6B1C #1C576B

split-complementary

#581C6B #576B1C #1C6B31

monochromatic

#140618 #300F3A #581C6B #80299C #A737CB

Accessibility & contrast

On white

11.71

#581C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#581C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C6B

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C6B	#FFFFFF	#000000	##FFFFFF
##581C6B	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346D

Deuteranopia (green-blind)

#1D3A69

Tritanopia (blue-blind)

#572C41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #581c6b;
/* rgb */ color: rgb(88, 28, 107);
/* oklch */ color: oklch(35.9% 0.137 316.8);

Tailwind

colors: {
  custom: {
    50: '#8a5e96',
    500: '#581c6b',
    950: '#000000',
  },
}

SCSS

$custom: #581c6b;
$custom-light: #8a5e96;
$custom-dark: #000000;

JSON

{
  "hex": "#581c6b",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 107
  },
  "hsl": {
    "h": 285.57,
    "s": 58.519,
    "l": 26.471
  },
  "oklch": {
    "l": 0.3586,
    "c": 0.13737,
    "h": 316.8
  },
  "luminance": 0.03967
}

Semantic roles & 50–950 ramp

primary

#581C6B

secondary

#59A043

accent

#E2466C

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #581C6B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →