#581B7C#581B7C

#581B7C is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.156 H 309.3°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#581B7C
RGB	rgb(88, 27, 124)
HSL	hsl(278, 64%, 30%)
HSV	hsv(278, 78%, 49%)
CMYK	cmyk(29%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(24.68, 44.25, -42.54)
CIE-LCH	lch(24.68, 61.38, 316.13°)
OKLab	oklab(37.06% 0.0987 -0.1207)
OKLCH	oklch(37.06% 0.156 309.3)
XYZ	xyz(8.0538, 4.3140, 19.4733)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B7C #3F7C1B

analogous

#281B7C #581B7C #7C1B70

triadic

#581B7C #7C581B #1B7C58

tetradic

#581B7C #7C281B #3F7C1B #1B707C

square

#581B7C #7C281B #3F7C1B #1B707C

split-complementary

#581B7C #707C1B #1B7C28

monochromatic

#120519 #34104A #581B7C #7C26AE #9C3DD5

Accessibility & contrast

On white

11.27

#581B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#581B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B7C

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B7C	#FFFFFF	#000000	##FFFFFF
##581B7C	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387F

Deuteranopia (green-blind)

#003B7A

Tritanopia (blue-blind)

#53324A

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581b7c;
/* rgb */ color: rgb(88, 27, 124);
/* oklch */ color: oklch(37.1% 0.156 309.3);

Tailwind

colors: {
  custom: {
    50: '#8b5ea3',
    500: '#581b7c',
    950: '#000000',
  },
}

SCSS

$custom: #581b7c;
$custom-light: #8b5ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#581b7c",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 277.732,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37059,
    "c": 0.1559,
    "h": 309.3
  },
  "luminance": 0.04314
}

Semantic roles & 50–950 ramp

primary

#581B7C

secondary

#6BB043

accent

#E7417E

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581B7C

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

Preview Lab → · Contrast checker → · Palette generator →