#581D8F#581D8F

#581D8F is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.9% C 0.173 H 302.1°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#581D8F
RGB	rgb(88, 29, 143)
HSL	hsl(271, 66%, 34%)
HSV	hsv(271, 80%, 56%)
CMYK	cmyk(38.5%, 79.7%, 0%, 43.9%)
CIE-LAB	lab(26.55, 47.97, -51.40)
CIE-LCH	lch(26.55, 70.31, 313.02°)
OKLab	oklab(38.87% 0.0922 -0.1467)
OKLCH	oklch(38.87% 0.173 302.1)
XYZ	xyz(9.4206, 4.9366, 26.4378)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D8F #548F1D

analogous

#1F1D8F #581D8F #8F1D8D

triadic

#581D8F #8F581D #1D8F58

tetradic

#581D8F #8F1F1D #548F1D #1D8D8F

square

#581D8F #8F1F1D #548F1D #1D8D8F

split-complementary

#581D8F #8D8F1D #1D8F1F

monochromatic

#190829 #39135C #581D8F #7727C2 #964CDB

Accessibility & contrast

On white

10.57

#581D8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#581D8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D8F

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D8F	#FFFFFF	#000000	##FFFFFF
##581D8F	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E92

Deuteranopia (green-blind)

#003E8D

Tritanopia (blue-blind)

#4C3B56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #581d8f;
/* rgb */ color: rgb(88, 29, 143);
/* oklch */ color: oklch(38.9% 0.173 302.1);

Tailwind

colors: {
  custom: {
    50: '#8d60b1',
    500: '#581d8f',
    950: '#000000',
  },
}

SCSS

$custom: #581d8f;
$custom-light: #8d60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#581d8f",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 143
  },
  "hsl": {
    "h": 271.053,
    "s": 66.279,
    "l": 33.725
  },
  "oklch": {
    "l": 0.38865,
    "c": 0.17333,
    "h": 302.1
  },
  "luminance": 0.04937
}

Semantic roles & 50–950 ramp

primary

#581D8F

secondary

#82BD4B

accent

#E93F91

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581D8F

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

Preview Lab → · Contrast checker → · Palette generator →