#581C80#581C80

#581C80 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.5% C 0.159 H 307.6°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#581C80
RGB	rgb(88, 28, 128)
HSL	hsl(276, 64%, 31%)
HSV	hsv(276, 78%, 50%)
CMYK	cmyk(31.3%, 78.1%, 0%, 49.8%)
CIE-LAB	lab(25.15, 44.77, -44.31)
CIE-LCH	lch(25.15, 63.00, 315.30°)
OKLab	oklab(37.49% 0.0969 -0.1259)
OKLCH	oklch(37.49% 0.159 307.6)
XYZ	xyz(8.3352, 4.4638, 20.8404)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.43

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C80 #44801C

analogous

#261C80 #581C80 #801C76

triadic

#581C80 #80581C #1C8058

tetradic

#581C80 #80261C #44801C #1C7680

square

#581C80 #80261C #44801C #1C7680

split-complementary

#581C80 #76801C #1C8026

monochromatic

#13061C #35114E #581C80 #7B27B2 #9A41D5

Accessibility & contrast

On white

11.09

#581C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#581C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C80

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C80	#FFFFFF	#000000	##FFFFFF
##581C80	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#51354D

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581c80;
/* rgb */ color: rgb(88, 28, 128);
/* oklch */ color: oklch(37.5% 0.159 307.6);

Tailwind

colors: {
  custom: {
    50: '#8b5fa6',
    500: '#581c80',
    950: '#000000',
  },
}

SCSS

$custom: #581c80;
$custom-light: #8b5fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#581c80",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 128
  },
  "hsl": {
    "h": 276,
    "s": 64.103,
    "l": 30.588
  },
  "oklch": {
    "l": 0.37488,
    "c": 0.15886,
    "h": 307.6
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#581C80

secondary

#71B344

accent

#E74183

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C80

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

Preview Lab → · Contrast checker → · Palette generator →