#581B7A#581B7A

#581B7A is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.9% C 0.154 H 310.1°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#581B7A
RGB	rgb(88, 27, 122)
HSL	hsl(279, 64%, 29%)
HSV	hsv(279, 78%, 48%)
CMYK	cmyk(27.9%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(24.53, 43.79, -41.52)
CIE-LCH	lch(24.53, 60.35, 316.52°)
OKLab	oklab(36.9% 0.0991 -0.1177)
OKLCH	oklch(36.9% 0.154 310.1)
XYZ	xyz(7.9286, 4.2639, 18.8139)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B7A #3D7A1B

analogous

#291B7A #581B7A #7A1B6D

triadic

#581B7A #7A581B #1B7A58

tetradic

#581B7A #7A291B #3D7A1B #1B6D7A

square

#581B7A #7A291B #3D7A1B #1B6D7A

split-complementary

#581B7A #6D7A1B #1B7A29

monochromatic

#120619 #341048 #581B7A #7C26AC #9D3CD4

Accessibility & contrast

On white

11.33

#581B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#581B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B7A

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B7A	#FFFFFF	#000000	##FFFFFF
##581B7A	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387D

Deuteranopia (green-blind)

#033B78

Tritanopia (blue-blind)

#533149

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581b7a;
/* rgb */ color: rgb(88, 27, 122);
/* oklch */ color: oklch(36.9% 0.154 310.1);

Tailwind

colors: {
  custom: {
    50: '#8b5ea1',
    500: '#581b7a',
    950: '#000000',
  },
}

SCSS

$custom: #581b7a;
$custom-light: #8b5ea1;
$custom-dark: #000000;

JSON

{
  "hex": "#581b7a",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 278.526,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36898,
    "c": 0.15386,
    "h": 310.1
  },
  "luminance": 0.04264
}

Semantic roles & 50–950 ramp

primary

#581B7A

secondary

#69AE43

accent

#E7417C

background

#F8F5FA

surface

#F0E9F3

border

#CBC5CD

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581B7A

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

Preview Lab → · Contrast checker → · Palette generator →