#581C99#581C99

#581C99 is a dark, vivid violet. Relative luminance 0.052; OKLCH L 39.7% C 0.185 H 299.2°. Best body text is #FFFFFF at 10.29:1 contrast (WCAG AA passes).

Color values

HEX	#581C99
RGB	rgb(88, 28, 153)
HSL	hsl(269, 69%, 35%)
HSV	hsv(269, 82%, 60%)
CMYK	cmyk(42.5%, 81.7%, 0%, 40%)
CIE-LAB	lab(27.31, 50.83, -56.33)
CIE-LCH	lch(27.31, 75.87, 312.06°)
OKLab	oklab(39.67% 0.09 -0.1612)
OKLCH	oklch(39.67% 0.185 299.2)
XYZ	xyz(10.1881, 5.2050, 30.5987)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C99 #5D991C

analogous

#1C1E99 #581C99 #961C99

triadic

#581C99 #99581C #1C9958

tetradic

#581C99 #991C1E #5D991C #1C9996

square

#581C99 #991C1E #5D991C #1C9996

split-complementary

#581C99 #99961C #1E991C

monochromatic

#1C0932 #3A1365 #581C99 #7625CD #9550DF

Accessibility & contrast

On white

10.29

#581C99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#581C99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C99

10.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C99	#FFFFFF	#000000	##FFFFFF
##581C99	1.00	10.29	2.04	10.29
#FFFFFF	10.29	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409C

Deuteranopia (green-blind)

#003F97

Tritanopia (blue-blind)

#483F5B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #581c99;
/* rgb */ color: rgb(88, 28, 153);
/* oklch */ color: oklch(39.7% 0.185 299.2);

Tailwind

colors: {
  custom: {
    50: '#8e61b8',
    500: '#581c99',
    950: '#000000',
  },
}

SCSS

$custom: #581c99;
$custom-light: #8e61b8;
$custom-dark: #000000;

JSON

{
  "hex": "#581c99",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 153
  },
  "hsl": {
    "h": 268.8,
    "s": 69.061,
    "l": 35.49
  },
  "oklch": {
    "l": 0.39668,
    "c": 0.18462,
    "h": 299.2
  },
  "luminance": 0.05205
}

Semantic roles & 50–950 ramp

primary

#581C99

secondary

#8BC24F

accent

#EC3C97

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0511

muted

#7E7A80

Preview Lab

Preview with #581C99

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

Preview Lab → · Contrast checker → · Palette generator →