#581B6E#581B6E

#581B6E is a dark, vivid purple. Relative luminance 0.040; OKLCH L 36.0% C 0.142 H 315.5°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#581B6E
RGB	rgb(88, 27, 110)
HSL	hsl(284, 61%, 27%)
HSV	hsv(284, 75%, 43%)
CMYK	cmyk(20%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(23.62, 41.08, -35.30)
CIE-LCH	lch(23.62, 54.16, 319.33°)
OKLab	oklab(35.97% 0.101 -0.0994)
OKLCH	oklch(35.97% 0.142 315.5)
XYZ	xyz(7.2305, 3.9846, 15.1371)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B6E #316E1B

analogous

#2E1B6E #581B6E #6E1B5B

triadic

#581B6E #6E581B #1B6E58

tetradic

#581B6E #6E2E1B #316E1B #1B5B6E

square

#581B6E #6E2E1B #316E1B #1B5B6E

split-complementary

#581B6E #5B6E1B #1B6E2E

monochromatic

#140619 #310F3D #581B6E #7F279F #A536CE

Accessibility & contrast

On white

11.69

#581B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#581B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B6E

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B6E	#FFFFFF	#000000	##FFFFFF
##581B6E	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003570

Deuteranopia (green-blind)

#193A6C

Tritanopia (blue-blind)

#562C43

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #581b6e;
/* rgb */ color: rgb(88, 27, 110);
/* oklch */ color: oklch(36.0% 0.142 315.5);

Tailwind

colors: {
  custom: {
    50: '#8a5e98',
    500: '#581b6e',
    950: '#000000',
  },
}

SCSS

$custom: #581b6e;
$custom-light: #8a5e98;
$custom-dark: #000000;

JSON

{
  "hex": "#581b6e",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 284.096,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.3597,
    "c": 0.14171,
    "h": 315.5
  },
  "luminance": 0.03984
}

Semantic roles & 50–950 ramp

primary

#581B6E

secondary

#5CA342

accent

#E4446E

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581B6E

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

Preview Lab → · Contrast checker → · Palette generator →