#581D90#581D90

#581D90 is a dark, vivid violet. Relative luminance 0.050; OKLCH L 39.0% C 0.174 H 301.8°. Best body text is #FFFFFF at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#581D90
RGB	rgb(88, 29, 144)
HSL	hsl(271, 66%, 34%)
HSV	hsv(271, 80%, 56%)
CMYK	cmyk(38.9%, 79.9%, 0%, 43.5%)
CIE-LAB	lab(26.64, 48.22, -51.88)
CIE-LCH	lch(26.64, 70.83, 312.90°)
OKLab	oklab(38.95% 0.092 -0.1481)
OKLCH	oklch(38.95% 0.174 301.8)
XYZ	xyz(9.4967, 4.9670, 26.8386)
Luminance	0.0497 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D90 #55901D

analogous

#1F1D90 #581D90 #901D8F

triadic

#581D90 #90581D #1D9058

tetradic

#581D90 #901F1D #55901D #1D8F90

square

#581D90 #901F1D #55901D #1D8F90

split-complementary

#581D90 #8F901D #1D901F

monochromatic

#1A082A #39135D #581D90 #7727C3 #964CDB

Accessibility & contrast

On white

10.53

#581D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#581D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D90

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D90	#FFFFFF	#000000	##FFFFFF
##581D90	1.00	10.53	1.99	10.53
#FFFFFF	10.53	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#4C3C56

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #581d90;
/* rgb */ color: rgb(88, 29, 144);
/* oklch */ color: oklch(39.0% 0.174 301.8);

Tailwind

colors: {
  custom: {
    50: '#8d61b1',
    500: '#581d90',
    950: '#000000',
  },
}

SCSS

$custom: #581d90;
$custom-light: #8d61b1;
$custom-dark: #000000;

JSON

{
  "hex": "#581d90",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 144
  },
  "hsl": {
    "h": 270.783,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38953,
    "c": 0.17437,
    "h": 301.8
  },
  "luminance": 0.04967
}

Semantic roles & 50–950 ramp

primary

#581D90

secondary

#83BD4B

accent

#E93E92

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581D90

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

Preview Lab → · Contrast checker → · Palette generator →