#581B6B#581B6B

#581B6B is a dark, vivid purple. Relative luminance 0.039; OKLCH L 35.7% C 0.139 H 316.9°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#581B6B
RGB	rgb(88, 27, 107)
HSL	hsl(286, 60%, 26%)
HSV	hsv(286, 75%, 42%)
CMYK	cmyk(17.8%, 74.8%, 0%, 58%)
CIE-LAB	lab(23.41, 40.42, -33.70)
CIE-LCH	lch(23.41, 52.63, 320.18°)
OKLab	oklab(35.75% 0.1013 -0.0947)
OKLCH	oklch(35.75% 0.139 316.9)
XYZ	xyz(7.0699, 3.9204, 14.2914)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B6B #2E6B1B

analogous

#301B6B #581B6B #6B1B56

triadic

#581B6B #6B581B #1B6B58

tetradic

#581B6B #6B301B #2E6B1B #1B566B

square

#581B6B #6B301B #2E6B1B #1B566B

split-complementary

#581B6B #566B1B #1B6B30

monochromatic

#140618 #300F3A #581B6B #80279C #A835CC

Accessibility & contrast

On white

11.77

#581B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#581B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B6B

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B6B	#FFFFFF	#000000	##FFFFFF
##581B6B	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00346D

Deuteranopia (green-blind)

#1C3A69

Tritanopia (blue-blind)

#572B41

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #581b6b;
/* rgb */ color: rgb(88, 27, 107);
/* oklch */ color: oklch(35.7% 0.139 316.9);

Tailwind

colors: {
  custom: {
    50: '#8a5e96',
    500: '#581b6b',
    950: '#000000',
  },
}

SCSS

$custom: #581b6b;
$custom-light: #8a5e96;
$custom-dark: #000000;

JSON

{
  "hex": "#581b6b",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 107
  },
  "hsl": {
    "h": 285.75,
    "s": 59.701,
    "l": 26.275
  },
  "oklch": {
    "l": 0.35749,
    "c": 0.13869,
    "h": 316.9
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#581B6B

secondary

#58A042

accent

#E3456A

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050D

muted

#7D797E

Preview Lab

Preview with #581B6B

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

Preview Lab → · Contrast checker → · Palette generator →