#581B6F#581B6F

#581B6F is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.0% C 0.143 H 315.0°. Best body text is #FFFFFF at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#581B6F
RGB	rgb(88, 27, 111)
HSL	hsl(284, 61%, 27%)
HSV	hsv(284, 76%, 44%)
CMYK	cmyk(20.7%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(23.69, 41.30, -35.83)
CIE-LCH	lch(23.69, 54.67, 319.06°)
OKLab	oklab(36.05% 0.1009 -0.101)
OKLCH	oklch(36.05% 0.143 315)
XYZ	xyz(7.2852, 4.0065, 15.4254)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B6F #326F1B

analogous

#2E1B6F #581B6F #6F1B5C

triadic

#581B6F #6F581B #1B6F58

tetradic

#581B6F #6F2E1B #326F1B #1B5C6F

square

#581B6F #6F2E1B #326F1B #1B5C6F

split-complementary

#581B6F #5C6F1B #1B6F2E

monochromatic

#140619 #310F3E #581B6F #7F27A0 #A536CE

Accessibility & contrast

On white

11.66

#581B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#581B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B6F

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B6F	#FFFFFF	#000000	##FFFFFF
##581B6F	1.00	11.66	1.80	11.66
#FFFFFF	11.66	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003571

Deuteranopia (green-blind)

#183A6D

Tritanopia (blue-blind)

#562D43

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #581b6f;
/* rgb */ color: rgb(88, 27, 111);
/* oklch */ color: oklch(36.0% 0.143 315.0);

Tailwind

colors: {
  custom: {
    50: '#8a5e99',
    500: '#581b6f',
    950: '#000000',
  },
}

SCSS

$custom: #581b6f;
$custom-light: #8a5e99;
$custom-dark: #000000;

JSON

{
  "hex": "#581b6f",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 283.571,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.36045,
    "c": 0.14272,
    "h": 315
  },
  "luminance": 0.04006
}

Semantic roles & 50–950 ramp

primary

#581B6F

secondary

#5DA442

accent

#E44470

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B6F

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

Preview Lab → · Contrast checker → · Palette generator →