#581C78#581C78

#581C78 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 36.8% C 0.151 H 310.8°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#581C78
RGB	rgb(88, 28, 120)
HSL	hsl(279, 62%, 29%)
HSV	hsv(279, 77%, 47%)
CMYK	cmyk(26.7%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(24.52, 42.91, -40.26)
CIE-LCH	lch(24.52, 58.84, 316.82°)
OKLab	oklab(36.84% 0.0985 -0.114)
OKLCH	oklch(36.84% 0.151 310.8)
XYZ	xyz(7.8293, 4.2615, 18.1758)
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

#581C78 #3C781C

analogous

#2A1C78 #581C78 #781C6A

triadic

#581C78 #78581C #1C7858

tetradic

#581C78 #782A1C #3C781C #1C6A78

square

#581C78 #782A1C #3C781C #1C6A78

split-complementary

#581C78 #6A781C #1C782A

monochromatic

#120619 #341046 #581C78 #7C28AA #9E3DD2

Accessibility & contrast

On white

11.34

#581C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#581C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C78

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C78	#FFFFFF	#000000	##FFFFFF
##581C78	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387B

Deuteranopia (green-blind)

#0A3B76

Tritanopia (blue-blind)

#543148

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581c78;
/* rgb */ color: rgb(88, 28, 120);
/* oklch */ color: oklch(36.8% 0.151 310.8);

Tailwind

colors: {
  custom: {
    50: '#8b5fa0',
    500: '#581c78',
    950: '#000000',
  },
}

SCSS

$custom: #581c78;
$custom-light: #8b5fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#581c78",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 279.13,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36843,
    "c": 0.15063,
    "h": 310.8
  },
  "luminance": 0.04261
}

Semantic roles & 50–950 ramp

primary

#581C78

secondary

#68AC44

accent

#E5437B

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #581C78

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

Preview Lab → · Contrast checker → · Palette generator →