#581B79#581B79

#581B79 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.153 H 310.5°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#581B79
RGB	rgb(88, 27, 121)
HSL	hsl(279, 64%, 29%)
HSV	hsv(279, 78%, 47%)
CMYK	cmyk(27.3%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(24.45, 43.56, -41.02)
CIE-LCH	lch(24.45, 59.83, 316.72°)
OKLab	oklab(36.82% 0.0993 -0.1162)
OKLCH	oklch(36.82% 0.153 310.5)
XYZ	xyz(7.8670, 4.2392, 18.4893)
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

#581B79 #3C791B

analogous

#291B79 #581B79 #791B6B

triadic

#581B79 #79581B #1B7958

tetradic

#581B79 #79291B #3C791B #1B6B79

square

#581B79 #79291B #3C791B #1B6B79

split-complementary

#581B79 #6B791B #1B7929

monochromatic

#120619 #341047 #581B79 #7C26AB #9E3BD3

Accessibility & contrast

On white

11.36

#581B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#581B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B79

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B79	#FFFFFF	#000000	##FFFFFF
##581B79	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377C

Deuteranopia (green-blind)

#063B77

Tritanopia (blue-blind)

#533149

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581b79;
/* rgb */ color: rgb(88, 27, 121);
/* oklch */ color: oklch(36.8% 0.153 310.5);

Tailwind

colors: {
  custom: {
    50: '#8b5ea0',
    500: '#581b79',
    950: '#000000',
  },
}

SCSS

$custom: #581b79;
$custom-light: #8b5ea0;
$custom-dark: #000000;

JSON

{
  "hex": "#581b79",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 278.936,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.36818,
    "c": 0.15284,
    "h": 310.5
  },
  "luminance": 0.04239
}

Semantic roles & 50–950 ramp

primary

#581B79

secondary

#68AD43

accent

#E7417B

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050F

muted

#7D797E

Preview Lab

Preview with #581B79

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

Preview Lab → · Contrast checker → · Palette generator →