#581D81#581D81

#581D81 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.159 H 307.1°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#581D81
RGB	rgb(88, 29, 129)
HSL	hsl(275, 63%, 31%)
HSV	hsv(275, 78%, 51%)
CMYK	cmyk(31.8%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(25.38, 44.59, -44.57)
CIE-LCH	lch(25.38, 63.05, 315.01°)
OKLab	oklab(37.67% 0.0957 -0.1267)
OKLCH	oklch(37.67% 0.159 307.1)
XYZ	xyz(8.4255, 4.5385, 21.1968)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.52

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D81 #46811D

analogous

#261D81 #581D81 #811D78

triadic

#581D81 #81581D #1D8158

tetradic

#581D81 #81261D #46811D #1D7881

square

#581D81 #81261D #46811D #1D7881

split-complementary

#581D81 #78811D #1D8126

monochromatic

#14071D #36124F #581D81 #7A28B3 #9944D5

Accessibility & contrast

On white

11.01

#581D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#581D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D81

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D81	#FFFFFF	#000000	##FFFFFF
##581D81	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A84

Deuteranopia (green-blind)

#003D7F

Tritanopia (blue-blind)

#51354E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581d81;
/* rgb */ color: rgb(88, 29, 129);
/* oklch */ color: oklch(37.7% 0.159 307.1);

Tailwind

colors: {
  custom: {
    50: '#8c60a6',
    500: '#581d81',
    950: '#000000',
  },
}

SCSS

$custom: #581d81;
$custom-light: #8c60a6;
$custom-dark: #000000;

JSON

{
  "hex": "#581d81",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 275.4,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37674,
    "c": 0.15876,
    "h": 307.1
  },
  "luminance": 0.04538
}

Semantic roles & 50–950 ramp

primary

#581D81

secondary

#73B446

accent

#E64185

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581D81

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

Preview Lab → · Contrast checker → · Palette generator →