#581D78#581D78

#581D78 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.0% C 0.149 H 310.7°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#581D78
RGB	rgb(88, 29, 120)
HSL	hsl(279, 61%, 29%)
HSV	hsv(279, 76%, 47%)
CMYK	cmyk(26.7%, 75.8%, 0%, 52.9%)
CIE-LAB	lab(24.67, 42.47, -40.02)
CIE-LCH	lch(24.67, 58.36, 316.71°)
OKLab	oklab(36.95% 0.0974 -0.1133)
OKLCH	oklch(36.95% 0.149 310.7)
XYZ	xyz(7.8534, 4.3097, 18.1838)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D78 #3D781D

analogous

#2B1D78 #581D78 #781D6B

triadic

#581D78 #78581D #1D7858

tetradic

#581D78 #782B1D #3D781D #1D6B78

square

#581D78 #782B1D #3D781D #1D6B78

split-complementary

#581D78 #6B781D #1D782B

monochromatic

#120619 #341147 #581D78 #7C29A9 #9D3FD1

Accessibility & contrast

On white

11.28

#581D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#581D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D78

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D78	#FFFFFF	#000000	##FFFFFF
##581D78	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#0C3C76

Tritanopia (blue-blind)

#543249

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581d78;
/* rgb */ color: rgb(88, 29, 120);
/* oklch */ color: oklch(37.0% 0.149 310.7);

Tailwind

colors: {
  custom: {
    50: '#8b5fa0',
    500: '#581d78',
    950: '#000000',
  },
}

SCSS

$custom: #581d78;
$custom-light: #8b5fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#581d78",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 120
  },
  "hsl": {
    "h": 278.901,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.36951,
    "c": 0.14942,
    "h": 310.7
  },
  "luminance": 0.0431
}

Semantic roles & 50–950 ramp

primary

#581D78

secondary

#69AC45

accent

#E4447C

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #581D78

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

Preview Lab → · Contrast checker → · Palette generator →