#581D8A#581D8A

#581D8A is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.4% C 0.168 H 303.8°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#581D8A
RGB	rgb(88, 29, 138)
HSL	hsl(272, 65%, 33%)
HSV	hsv(272, 79%, 54%)
CMYK	cmyk(36.2%, 79%, 0%, 45.9%)
CIE-LAB	lab(26.12, 46.75, -49.00)
CIE-LCH	lch(26.12, 67.73, 313.66°)
OKLab	oklab(38.43% 0.0936 -0.1397)
OKLCH	oklch(38.43% 0.168 303.8)
XYZ	xyz(9.0502, 4.7884, 24.4873)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D8A #4F8A1D

analogous

#221D8A #581D8A #8A1D85

triadic

#581D8A #8A581D #1D8A58

tetradic

#581D8A #8A221D #4F8A1D #1D858A

square

#581D8A #8A221D #4F8A1D #1D858A

split-complementary

#581D8A #858A1D #1D8A22

monochromatic

#180825 #381257 #581D8A #7828BD #9749D9

Accessibility & contrast

On white

10.73

#581D8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#581D8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D8A

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D8A	#FFFFFF	#000000	##FFFFFF
##581D8A	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8D

Deuteranopia (green-blind)

#003E88

Tritanopia (blue-blind)

#4E3953

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581d8a;
/* rgb */ color: rgb(88, 29, 138);
/* oklch */ color: oklch(38.4% 0.168 303.8);

Tailwind

colors: {
  custom: {
    50: '#8c60ad',
    500: '#581d8a',
    950: '#000000',
  },
}

SCSS

$custom: #581d8a;
$custom-light: #8c60ad;
$custom-dark: #000000;

JSON

{
  "hex": "#581d8a",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 138
  },
  "hsl": {
    "h": 272.477,
    "s": 65.269,
    "l": 32.745
  },
  "oklch": {
    "l": 0.38431,
    "c": 0.16812,
    "h": 303.8
  },
  "luminance": 0.04788
}

Semantic roles & 50–950 ramp

primary

#581D8A

secondary

#7DBB48

accent

#E8408D

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581D8A

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

Preview Lab → · Contrast checker → · Palette generator →