#581B71#581B71

#581B71 is a dark, vivid purple. Relative luminance 0.041; OKLCH L 36.2% C 0.145 H 314.0°. Best body text is #FFFFFF at 11.60:1 contrast (WCAG AA passes).

Color values

HEX	#581B71
RGB	rgb(88, 27, 113)
HSL	hsl(283, 61%, 27%)
HSV	hsv(283, 76%, 44%)
CMYK	cmyk(22.1%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(23.84, 41.75, -36.88)
CIE-LCH	lch(23.84, 55.70, 318.54°)
OKLab	oklab(36.2% 0.1006 -0.104)
OKLCH	oklch(36.2% 0.145 314)
XYZ	xyz(7.3966, 4.0511, 16.0119)
Luminance	0.0405 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B71 #34711B

analogous

#2D1B71 #581B71 #711B5F

triadic

#581B71 #71581B #1B7158

tetradic

#581B71 #712D1B #34711B #1B5F71

square

#581B71 #712D1B #34711B #1B5F71

split-complementary

#581B71 #5F711B #1B712D

monochromatic

#130619 #320F40 #581B71 #7E27A2 #A337CF

Accessibility & contrast

On white

11.60

#581B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#581B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B71

11.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B71	#FFFFFF	#000000	##FFFFFF
##581B71	1.00	11.60	1.81	11.60
#FFFFFF	11.60	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003573

Deuteranopia (green-blind)

#153A6F

Tritanopia (blue-blind)

#562E44

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #581b71;
/* rgb */ color: rgb(88, 27, 113);
/* oklch */ color: oklch(36.2% 0.145 314.0);

Tailwind

colors: {
  custom: {
    50: '#8a5e9a',
    500: '#581b71',
    950: '#000000',
  },
}

SCSS

$custom: #581b71;
$custom-light: #8a5e9a;
$custom-dark: #000000;

JSON

{
  "hex": "#581b71",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 282.558,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.36195,
    "c": 0.14473,
    "h": 314
  },
  "luminance": 0.04051
}

Semantic roles & 50–950 ramp

primary

#581B71

secondary

#5FA642

accent

#E54372

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B71

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

Preview Lab → · Contrast checker → · Palette generator →