#581B77#581B77

#581B77 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.7% C 0.151 H 311.4°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#581B77
RGB	rgb(88, 27, 119)
HSL	hsl(280, 63%, 29%)
HSV	hsv(280, 77%, 47%)
CMYK	cmyk(26.1%, 77.3%, 0%, 53.3%)
CIE-LAB	lab(24.29, 43.10, -39.99)
CIE-LCH	lch(24.29, 58.80, 317.14°)
OKLab	oklab(36.66% 0.0997 -0.1132)
OKLCH	oklch(36.66% 0.151 311.4)
XYZ	xyz(7.7456, 4.1907, 17.8500)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B77 #3A771B

analogous

#2A1B77 #581B77 #771B68

triadic

#581B77 #77581B #1B7758

tetradic

#581B77 #772A1B #3A771B #1B6877

square

#581B77 #772A1B #3A771B #1B6877

split-complementary

#581B77 #68771B #1B772A

monochromatic

#120619 #331045 #581B77 #7D26A9 #9F3AD2

Accessibility & contrast

On white

11.43

#581B77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#581B77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B77

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B77	#FFFFFF	#000000	##FFFFFF
##581B77	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377A

Deuteranopia (green-blind)

#0B3B75

Tritanopia (blue-blind)

#543048

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581b77;
/* rgb */ color: rgb(88, 27, 119);
/* oklch */ color: oklch(36.7% 0.151 311.4);

Tailwind

colors: {
  custom: {
    50: '#8b5e9f',
    500: '#581b77',
    950: '#000000',
  },
}

SCSS

$custom: #581b77;
$custom-light: #8b5e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#581b77",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 119
  },
  "hsl": {
    "h": 279.783,
    "s": 63.014,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36659,
    "c": 0.15081,
    "h": 311.4
  },
  "luminance": 0.0419
}

Semantic roles & 50–950 ramp

primary

#581B77

secondary

#66AB42

accent

#E64279

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B77

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

Preview Lab → · Contrast checker → · Palette generator →