#581B80#581B80

#581B80 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.4% C 0.160 H 307.7°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#581B80
RGB	rgb(88, 27, 128)
HSL	hsl(276, 65%, 30%)
HSV	hsv(276, 79%, 50%)
CMYK	cmyk(31.3%, 78.9%, 0%, 49.8%)
CIE-LAB	lab(25.01, 45.19, -44.55)
CIE-LCH	lch(25.01, 63.45, 315.41°)
OKLab	oklab(37.39% 0.0978 -0.1266)
OKLCH	oklch(37.39% 0.16 307.7)
XYZ	xyz(8.3119, 4.4172, 20.8326)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.30

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B80 #43801B

analogous

#261B80 #581B80 #801B75

triadic

#581B80 #80581B #1B8058

tetradic

#581B80 #80261B #43801B #1B7580

square

#581B80 #80261B #43801B #1B7580

split-complementary

#581B80 #75801B #1B8026

monochromatic

#13061B #35104D #581B80 #7B26B3 #9A3FD6

Accessibility & contrast

On white

11.15

#581B80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#581B80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B80

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B80	#FFFFFF	#000000	##FFFFFF
##581B80	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003983

Deuteranopia (green-blind)

#003C7E

Tritanopia (blue-blind)

#51344D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #581b80;
/* rgb */ color: rgb(88, 27, 128);
/* oklch */ color: oklch(37.4% 0.160 307.7);

Tailwind

colors: {
  custom: {
    50: '#8c5fa6',
    500: '#581b80',
    950: '#000000',
  },
}

SCSS

$custom: #581b80;
$custom-light: #8c5fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#581b80",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 128
  },
  "hsl": {
    "h": 276.238,
    "s": 65.161,
    "l": 30.392
  },
  "oklch": {
    "l": 0.37387,
    "c": 0.15998,
    "h": 307.7
  },
  "luminance": 0.04417
}

Semantic roles & 50–950 ramp

primary

#581B80

secondary

#70B443

accent

#E84082

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0C050F

muted

#7D797F

Preview Lab

Preview with #581B80

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

Preview Lab → · Contrast checker → · Palette generator →