#581F81#581F81

#581F81 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.156 H 306.8°. Best body text is #FFFFFF at 10.89:1 contrast (WCAG AA passes).

Color values

HEX	#581F81
RGB	rgb(88, 31, 129)
HSL	hsl(275, 61%, 31%)
HSV	hsv(275, 76%, 51%)
CMYK	cmyk(31.8%, 76%, 0%, 49.4%)
CIE-LAB	lab(25.68, 43.72, -44.08)
CIE-LCH	lch(25.68, 62.08, 314.77°)
OKLab	oklab(37.89% 0.0937 -0.1252)
OKLCH	oklch(37.89% 0.156 306.8)
XYZ	xyz(8.4761, 4.6398, 21.2137)
Luminance	0.0464 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.82

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581F81 #48811F

analogous

#271F81 #581F81 #811F79

triadic

#581F81 #81581F #1F8158

tetradic

#581F81 #81271F #48811F #1F7981

square

#581F81 #81271F #48811F #1F7981

split-complementary

#581F81 #79811F #1F8127

monochromatic

#15071E #361350 #581F81 #7A2BB2 #9947D3

Accessibility & contrast

On white

10.89

#581F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#581F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581F81

10.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581F81	#FFFFFF	#000000	##FFFFFF
##581F81	1.00	10.89	1.93	10.89
#FFFFFF	10.89	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B84

Deuteranopia (green-blind)

#003D7F

Tritanopia (blue-blind)

#51364E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #581f81;
/* rgb */ color: rgb(88, 31, 129);
/* oklch */ color: oklch(37.9% 0.156 306.8);

Tailwind

colors: {
  custom: {
    50: '#8b61a6',
    500: '#581f81',
    950: '#000000',
  },
}

SCSS

$custom: #581f81;
$custom-light: #8b61a6;
$custom-dark: #000000;

JSON

{
  "hex": "#581f81",
  "rgb": {
    "r": 88,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 274.898,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3789,
    "c": 0.15642,
    "h": 306.8
  },
  "luminance": 0.0464
}

Semantic roles & 50–950 ramp

primary

#581F81

secondary

#75B448

accent

#E44387

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581F81

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

Preview Lab → · Contrast checker → · Palette generator →