#581D74#581D74

#581D74 is a dark, vivid purple. Relative luminance 0.042; OKLCH L 36.6% C 0.145 H 312.4°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#581D74
RGB	rgb(88, 29, 116)
HSL	hsl(281, 60%, 28%)
HSV	hsv(281, 75%, 45%)
CMYK	cmyk(24.1%, 75%, 0%, 54.5%)
CIE-LAB	lab(24.37, 41.55, -37.95)
CIE-LCH	lch(24.37, 56.27, 317.60°)
OKLab	oklab(36.64% 0.098 -0.1072)
OKLCH	oklch(36.64% 0.145 312.4)
XYZ	xyz(7.6157, 4.2146, 16.9319)
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

#581D74 #39741D

analogous

#2C1D74 #581D74 #741D64

triadic

#581D74 #74581D #1D7458

tetradic

#581D74 #742C1D #39741D #1D6474

square

#581D74 #742C1D #39741D #1D6474

split-complementary

#581D74 #64741D #1D742C

monochromatic

#130618 #331143 #581D74 #7D29A5 #A03DCE

Accessibility & contrast

On white

11.40

#581D74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#581D74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D74

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D74	#FFFFFF	#000000	##FFFFFF
##581D74	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)

#003776

Deuteranopia (green-blind)

#133B72

Tritanopia (blue-blind)

#553046

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #581d74;
/* rgb */ color: rgb(88, 29, 116);
/* oklch */ color: oklch(36.6% 0.145 312.4);

Tailwind

colors: {
  custom: {
    50: '#8b5f9d',
    500: '#581d74',
    950: '#000000',
  },
}

SCSS

$custom: #581d74;
$custom-light: #8b5f9d;
$custom-dark: #000000;

JSON

{
  "hex": "#581d74",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 116
  },
  "hsl": {
    "h": 280.69,
    "s": 60,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36642,
    "c": 0.14527,
    "h": 312.4
  },
  "luminance": 0.04214
}

Semantic roles & 50–950 ramp

primary

#581D74

secondary

#65A845

accent

#E34578

background

#F8F5F9

surface

#F0EAF2

border

#CBC6CC

text

#0C050E

muted

#7D797E

Preview Lab

Preview with #581D74

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

Preview Lab → · Contrast checker → · Palette generator →