#581C76#581C76

#581C76 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.7% C 0.149 H 311.7°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#581C76
RGB	rgb(88, 28, 118)
HSL	hsl(280, 62%, 29%)
HSV	hsv(280, 76%, 46%)
CMYK	cmyk(25.4%, 76.3%, 0%, 53.7%)
CIE-LAB	lab(24.36, 42.45, -39.23)
CIE-LCH	lch(24.36, 57.80, 317.25°)
OKLab	oklab(36.69% 0.0988 -0.111)
OKLCH	oklch(36.69% 0.149 311.7)
XYZ	xyz(7.7092, 4.2134, 17.5432)
Luminance	0.0421 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C76 #3A761C

analogous

#2B1C76 #581C76 #761C67

triadic

#581C76 #76581C #1C7658

tetradic

#581C76 #762B1C #3A761C #1C6776

square

#581C76 #762B1C #3A761C #1C6776

split-complementary

#581C76 #67761C #1C762B

monochromatic

#120619 #331045 #581C76 #7D28A7 #9F3CD1

Accessibility & contrast

On white

11.40

#581C76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#581C76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C76

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C76	#FFFFFF	#000000	##FFFFFF
##581C76	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003779

Deuteranopia (green-blind)

#0E3B74

Tritanopia (blue-blind)

#543047

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581c76;
/* rgb */ color: rgb(88, 28, 118);
/* oklch */ color: oklch(36.7% 0.149 311.7);

Tailwind

colors: {
  custom: {
    50: '#8b5f9e',
    500: '#581c76',
    950: '#000000',
  },
}

SCSS

$custom: #581c76;
$custom-light: #8b5f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#581c76",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 118
  },
  "hsl": {
    "h": 280,
    "s": 61.644,
    "l": 28.627
  },
  "oklch": {
    "l": 0.36687,
    "c": 0.14859,
    "h": 311.7
  },
  "luminance": 0.04213
}

Semantic roles & 50–950 ramp

primary

#581C76

secondary

#66AA44

accent

#E54379

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581C76

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

Preview Lab → · Contrast checker → · Palette generator →