#581D8C#581D8C

#581D8C is a dark, vivid violet. Relative luminance 0.048; OKLCH L 38.6% C 0.170 H 303.1°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#581D8C
RGB	rgb(88, 29, 140)
HSL	hsl(272, 66%, 33%)
HSV	hsv(272, 79%, 55%)
CMYK	cmyk(37.1%, 79.3%, 0%, 45.1%)
CIE-LAB	lab(26.29, 47.24, -49.97)
CIE-LCH	lch(26.29, 68.76, 313.39°)
OKLab	oklab(38.6% 0.093 -0.1425)
OKLCH	oklch(38.6% 0.17 303.1)
XYZ	xyz(9.1964, 4.8469, 25.2569)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581D8C #518C1D

analogous

#211D8C #581D8C #8C1D88

triadic

#581D8C #8C581D #1D8C58

tetradic

#581D8C #8C211D #518C1D #1D888C

square

#581D8C #8C211D #518C1D #1D888C

split-complementary

#581D8C #888C1D #1D8C21

monochromatic

#180827 #381259 #581D8C #7828BF #964AD9

Accessibility & contrast

On white

10.66

#581D8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#581D8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581D8C

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581D8C	#FFFFFF	#000000	##FFFFFF
##581D8C	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8F

Deuteranopia (green-blind)

#003E8A

Tritanopia (blue-blind)

#4D3A54

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581d8c;
/* rgb */ color: rgb(88, 29, 140);
/* oklch */ color: oklch(38.6% 0.170 303.1);

Tailwind

colors: {
  custom: {
    50: '#8d60ae',
    500: '#581d8c',
    950: '#000000',
  },
}

SCSS

$custom: #581d8c;
$custom-light: #8d60ae;
$custom-dark: #000000;

JSON

{
  "hex": "#581d8c",
  "rgb": {
    "r": 88,
    "g": 29,
    "b": 140
  },
  "hsl": {
    "h": 271.892,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.38604,
    "c": 0.1702,
    "h": 303.1
  },
  "luminance": 0.04847
}

Semantic roles & 50–950 ramp

primary

#581D8C

secondary

#7FBC49

accent

#E93F8F

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581D8C

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

Preview Lab → · Contrast checker → · Palette generator →