#581D9C#581D9C

#581D9C is a dark, vivid violet. Relative luminance 0.054; OKLCH L 40.0% C 0.187 H 298.2°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#581D9C
RGB	rgb(88, 29, 156)
HSL	hsl(268, 69%, 36%)
HSV	hsv(268, 81%, 61%)
CMYK	cmyk(43.6%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(27.72, 51.19, -57.49)
CIE-LCH	lch(27.72, 76.98, 311.68°)
OKLab	oklab(40.04% 0.0883 -0.1646)
OKLCH	oklch(40.04% 0.187 298.2)
XYZ	xyz(10.4631, 5.3536, 31.9281)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D9C #619C1D

analogous

#1D229C #581D9C #981D9C

triadic

#581D9C #9C581D #1D9C58

tetradic

#581D9C #9C1D22 #619C1D #1D9C98

square

#581D9C #9C1D22 #619C1D #1D9C98

split-complementary

#581D9C #9C981D #229C1D

monochromatic

#1E0A35 #3B1368 #581D9C #7527D0 #9554DF

Accessibility & contrast

On white

10.14

#581D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#581D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D9C

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D9C	#FFFFFF	#000000	##FFFFFF
##581D9C	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00429F

Deuteranopia (green-blind)

#00409A

Tritanopia (blue-blind)

#47415D

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #581d9c;
/* rgb */ color: rgb(88, 29, 156);
/* oklch */ color: oklch(40.0% 0.187 298.2);

Tailwind

colors: {
  custom: {
    50: '#8e61ba',
    500: '#581d9c',
    950: '#000000',
  },
}

SCSS

$custom: #581d9c;
$custom-light: #8e61ba;
$custom-dark: #000000;

JSON

{
  "hex": "#581d9c",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 267.874,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40036,
    "c": 0.18681,
    "h": 298.2
  },
  "luminance": 0.05354
}

Semantic roles & 50–950 ramp

primary

#581D9C

secondary

#8EC252

accent

#EB3C9A

background

#F9F6FB

surface

#F1EBF6

border

#CBC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581D9C

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

Preview Lab → · Contrast checker → · Palette generator →