#581C77#581C77

#581C77 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.150 H 311.2°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#581C77
RGB	rgb(88, 28, 119)
HSL	hsl(280, 62%, 29%)
HSV	hsv(280, 76%, 47%)
CMYK	cmyk(26.1%, 76.5%, 0%, 53.3%)
CIE-LAB	lab(24.44, 42.68, -39.75)
CIE-LCH	lch(24.44, 58.32, 317.03°)
OKLab	oklab(36.77% 0.0986 -0.1125)
OKLCH	oklch(36.77% 0.15 311.2)
XYZ	xyz(7.7689, 4.2373, 17.8578)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C77 #3B771C

analogous

#2A1C77 #581C77 #771C69

triadic

#581C77 #77581C #1C7758

tetradic

#581C77 #772A1C #3B771C #1C6977

square

#581C77 #772A1C #3B771C #1C6977

split-complementary

#581C77 #69771C #1C772A

monochromatic

#120619 #331045 #581C77 #7D28A9 #9E3CD1

Accessibility & contrast

On white

11.37

#581C77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#581C77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C77

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C77	#FFFFFF	#000000	##FFFFFF
##581C77	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#0C3B75

Tritanopia (blue-blind)

#543148

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581c77;
/* rgb */ color: rgb(88, 28, 119);
/* oklch */ color: oklch(36.8% 0.150 311.2);

Tailwind

colors: {
  custom: {
    50: '#8b5f9f',
    500: '#581c77',
    950: '#000000',
  },
}

SCSS

$custom: #581c77;
$custom-light: #8b5f9f;
$custom-dark: #000000;

JSON

{
  "hex": "#581c77",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 119
  },
  "hsl": {
    "h": 279.56,
    "s": 61.905,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36765,
    "c": 0.14961,
    "h": 311.2
  },
  "luminance": 0.04237
}

Semantic roles & 50–950 ramp

primary

#581C77

secondary

#67AB44

accent

#E5437A

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581C77

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

Preview Lab → · Contrast checker → · Palette generator →