#581B74#581B74

#581B74 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.4% C 0.148 H 312.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#581B74
RGB	rgb(88, 27, 116)
HSL	hsl(281, 62%, 28%)
HSV	hsv(281, 77%, 45%)
CMYK	cmyk(24.1%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(24.06, 42.42, -38.44)
CIE-LCH	lch(24.06, 57.25, 317.82°)
OKLab	oklab(36.43% 0.1002 -0.1086)
OKLCH	oklch(36.43% 0.148 312.7)
XYZ	xyz(7.5683, 4.1197, 16.9161)
Luminance	0.0412 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B74 #37741B

analogous

#2C1B74 #581B74 #741B63

triadic

#581B74 #74581B #1B7458

tetradic

#581B74 #742C1B #37741B #1B6374

square

#581B74 #742C1B #37741B #1B6374

split-complementary

#581B74 #63741B #1B742C

monochromatic

#130619 #320F42 #581B74 #7E27A6 #A139D1

Accessibility & contrast

On white

11.51

#581B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#581B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B74

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B74	#FFFFFF	#000000	##FFFFFF
##581B74	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003677

Deuteranopia (green-blind)

#113A72

Tritanopia (blue-blind)

#552F46

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #581b74;
/* rgb */ color: rgb(88, 27, 116);
/* oklch */ color: oklch(36.4% 0.148 312.7);

Tailwind

colors: {
  custom: {
    50: '#8b5e9d',
    500: '#581b74',
    950: '#000000',
  },
}

SCSS

$custom: #581b74;
$custom-light: #8b5e9d;
$custom-dark: #000000;

JSON

{
  "hex": "#581b74",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 281.124,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36425,
    "c": 0.14777,
    "h": 312.7
  },
  "luminance": 0.0412
}

Semantic roles & 50–950 ramp

primary

#581B74

secondary

#62A942

accent

#E54276

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B74

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

Preview Lab → · Contrast checker → · Palette generator →