#581B5B#581B5B

#581B5B is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.7% C 0.123 H 325.9°. Best body text is #FFFFFF at 12.19:1 contrast (WCAG AA passes).

Color values

HEX	#581B5B
RGB	rgb(88, 27, 91)
HSL	hsl(297, 54%, 23%)
HSV	hsv(297, 70%, 36%)
CMYK	cmyk(3.3%, 70.3%, 0%, 64.3%)
CIE-LAB	lab(22.35, 37.09, -24.89)
CIE-LCH	lch(22.35, 44.66, 326.13°)
OKLab	oklab(34.66% 0.1018 -0.069)
OKLCH	oklch(34.66% 0.123 325.9)
XYZ	xyz(6.3046, 3.6143, 10.2611)
Luminance	0.0361 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B5B #1E5B1B

analogous

#381B5B #581B5B #5B1B3E

triadic

#581B5B #5B581B #1B5B58

tetradic

#581B5B #5B381B #1E5B1B #1B3E5B

square

#581B5B #5B381B #1E5B1B #1B3E5B

split-complementary

#581B5B #3E5B1B #1B5B38

monochromatic

#170718 #2A0D2C #581B5B #86298A #B337B9

Accessibility & contrast

On white

12.19

#581B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#581B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B5B

12.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B5B	#FFFFFF	#000000	##FFFFFF
##581B5B	1.00	12.19	1.72	12.19
#FFFFFF	12.19	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F315D

Deuteranopia (green-blind)

#283859

Tritanopia (blue-blind)

#5A2438

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #581b5b;
/* rgb */ color: rgb(88, 27, 91);
/* oklch */ color: oklch(34.7% 0.123 325.9);

Tailwind

colors: {
  custom: {
    50: '#8a5d8a',
    500: '#581b5b',
    950: '#000000',
  },
}

SCSS

$custom: #581b5b;
$custom-light: #8a5d8a;
$custom-dark: #000000;

JSON

{
  "hex": "#581b5b",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 91
  },
  "hsl": {
    "h": 297.188,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34655,
    "c": 0.12301,
    "h": 325.9
  },
  "luminance": 0.03614
}

Semantic roles & 50–950 ramp

primary

#581B5B

secondary

#459141

accent

#DE4A51

background

#F8F5F8

surface

#F0E9F0

border

#CBC5CB

text

#0C040B

muted

#7D797C

Preview Lab

Preview with #581B5B

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

Preview Lab → · Contrast checker → · Palette generator →