#581C82#581C82

#581C82 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.161 H 306.8°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#581C82
RGB	rgb(88, 28, 130)
HSL	hsl(275, 65%, 31%)
HSV	hsv(275, 78%, 51%)
CMYK	cmyk(32.3%, 78.5%, 0%, 49%)
CIE-LAB	lab(25.31, 45.25, -45.31)
CIE-LCH	lch(25.31, 64.03, 314.96°)
OKLab	oklab(37.65% 0.0964 -0.1288)
OKLCH	oklch(37.65% 0.161 306.8)
XYZ	xyz(8.4681, 4.5170, 21.5405)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.32

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C82 #46821C

analogous

#251C82 #581C82 #821C79

triadic

#581C82 #82581C #1C8258

tetradic

#581C82 #82251C #46821C #1C7982

square

#581C82 #82251C #46821C #1C7982

split-complementary

#581C82 #79821C #1C8225

monochromatic

#14061D #361150 #581C82 #7A27B4 #9942D6

Accessibility & contrast

On white

11.03

#581C82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#581C82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C82

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C82	#FFFFFF	#000000	##FFFFFF
##581C82	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A85

Deuteranopia (green-blind)

#003C80

Tritanopia (blue-blind)

#51354E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581c82;
/* rgb */ color: rgb(88, 28, 130);
/* oklch */ color: oklch(37.7% 0.161 306.8);

Tailwind

colors: {
  custom: {
    50: '#8c5fa7',
    500: '#581c82',
    950: '#000000',
  },
}

SCSS

$custom: #581c82;
$custom-light: #8c5fa7;
$custom-dark: #000000;

JSON

{
  "hex": "#581c82",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 130
  },
  "hsl": {
    "h": 275.294,
    "s": 64.557,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37653,
    "c": 0.16093,
    "h": 306.8
  },
  "luminance": 0.04517
}

Semantic roles & 50–950 ramp

primary

#581C82

secondary

#73B544

accent

#E84085

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581C82

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

Preview Lab → · Contrast checker → · Palette generator →