#581C9D#581C9D

#581C9D is a dark, vivid violet. Relative luminance 0.053; OKLCH L 40.0% C 0.189 H 298.0°. Best body text is #FFFFFF at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#581C9D
RGB	rgb(88, 28, 157)
HSL	hsl(268, 70%, 36%)
HSV	hsv(268, 82%, 62%)
CMYK	cmyk(43.9%, 82.2%, 0%, 38.4%)
CIE-LAB	lab(27.68, 51.82, -58.17)
CIE-LCH	lch(27.68, 77.90, 311.70°)
OKLab	oklab(40.04% 0.0887 -0.1666)
OKLCH	oklch(40.04% 0.189 298)
XYZ	xyz(10.5240, 5.3393, 32.3679)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C9D #619D1C

analogous

#1C219D #581C9D #991C9D

triadic

#581C9D #9D581C #1C9D58

tetradic

#581C9D #9D1C21 #619D1C #1C9D99

square

#581C9D #9D1C21 #619D1C #1C9D99

split-complementary

#581C9D #9D991C #219D1C

monochromatic

#1E0935 #3B1369 #581C9D #7525D1 #9553E0

Accessibility & contrast

On white

10.15

#581C9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#581C9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C9D

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C9D	#FFFFFF	#000000	##FFFFFF
##581C9D	1.00	10.15	2.07	10.15
#FFFFFF	10.15	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042A0

Deuteranopia (green-blind)

#00409B

Tritanopia (blue-blind)

#46415E

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #581c9d;
/* rgb */ color: rgb(88, 28, 157);
/* oklch */ color: oklch(40.0% 0.189 298.0);

Tailwind

colors: {
  custom: {
    50: '#8e61bb',
    500: '#581c9d',
    950: '#000000',
  },
}

SCSS

$custom: #581c9d;
$custom-light: #8e61bb;
$custom-dark: #000000;

JSON

{
  "hex": "#581c9d",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 157
  },
  "hsl": {
    "h": 267.907,
    "s": 69.73,
    "l": 36.275
  },
  "oklch": {
    "l": 0.40037,
    "c": 0.18874,
    "h": 298
  },
  "luminance": 0.0534
}

Semantic roles & 50–950 ramp

primary

#581C9D

secondary

#8EC351

accent

#ED3B9A

background

#F9F6FB

surface

#F2EBF6

border

#CCC6D0

text

#0D0512

muted

#7E7A81

Preview Lab

Preview with #581C9D

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

Preview Lab → · Contrast checker → · Palette generator →