#581B8A#581B8A

#581B8A is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.2% C 0.170 H 304.1°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#581B8A
RGB	rgb(88, 27, 138)
HSL	hsl(273, 67%, 32%)
HSV	hsv(273, 80%, 54%)
CMYK	cmyk(36.2%, 80.4%, 0%, 45.9%)
CIE-LAB	lab(25.84, 47.56, -49.46)
CIE-LCH	lch(25.84, 68.61, 313.88°)
OKLab	oklab(38.24% 0.0953 -0.141)
OKLCH	oklch(38.24% 0.17 304.1)
XYZ	xyz(9.0028, 4.6936, 24.4715)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B8A #4D8A1B

analogous

#201B8A #581B8A #8A1B85

triadic

#581B8A #8A581B #1B8A58

tetradic

#581B8A #8A201B #4D8A1B #1B858A

square

#581B8A #8A201B #4D8A1B #1B858A

split-complementary

#581B8A #858A1B #1B8A20

monochromatic

#170724 #371157 #581B8A #7925BD #9745DB

Accessibility & contrast

On white

10.83

#581B8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#581B8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B8A

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B8A	#FFFFFF	#000000	##FFFFFF
##581B8A	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C8D

Deuteranopia (green-blind)

#003D88

Tritanopia (blue-blind)

#4E3852

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #581b8a;
/* rgb */ color: rgb(88, 27, 138);
/* oklch */ color: oklch(38.2% 0.170 304.1);

Tailwind

colors: {
  custom: {
    50: '#8c5fad',
    500: '#581b8a',
    950: '#000000',
  },
}

SCSS

$custom: #581b8a;
$custom-light: #8c5fad;
$custom-dark: #000000;

JSON

{
  "hex": "#581b8a",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 138
  },
  "hsl": {
    "h": 272.973,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.38235,
    "c": 0.1702,
    "h": 304.1
  },
  "luminance": 0.04694
}

Semantic roles & 50–950 ramp

primary

#581B8A

secondary

#7ABC45

accent

#EA3E8B

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581B8A

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

Preview Lab → · Contrast checker → · Palette generator →