#581C87#581C87

#581C87 is a dark, vivid violet. Relative luminance 0.047; OKLCH L 38.1% C 0.166 H 305.0°. Best body text is #FFFFFF at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#581C87
RGB	rgb(88, 28, 135)
HSL	hsl(274, 66%, 32%)
HSV	hsv(274, 79%, 53%)
CMYK	cmyk(34.8%, 79.3%, 0%, 47.1%)
CIE-LAB	lab(25.73, 46.44, -47.77)
CIE-LCH	lch(25.73, 66.62, 314.19°)
OKLab	oklab(38.07% 0.0952 -0.1361)
OKLCH	oklch(38.07% 0.166 305)
XYZ	xyz(8.8119, 4.6545, 23.3512)
Luminance	0.0465 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.18

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581C87 #4B871C

analogous

#231C87 #581C87 #871C81

triadic

#581C87 #87581C #1C8758

tetradic

#581C87 #87231C #4B871C #1C8187

square

#581C87 #87231C #4B871C #1C8187

split-complementary

#581C87 #81871C #1C8723

monochromatic

#160722 #371154 #581C87 #7927BA #9845D8

Accessibility & contrast

On white

10.88

#581C87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#581C87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581C87

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581C87	#FFFFFF	#000000	##FFFFFF
##581C87	1.00	10.88	1.93	10.88
#FFFFFF	10.88	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#4F3851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #581c87;
/* rgb */ color: rgb(88, 28, 135);
/* oklch */ color: oklch(38.1% 0.166 305.0);

Tailwind

colors: {
  custom: {
    50: '#8c60ab',
    500: '#581c87',
    950: '#000000',
  },
}

SCSS

$custom: #581c87;
$custom-light: #8c60ab;
$custom-dark: #000000;

JSON

{
  "hex": "#581c87",
  "rgb": {
    "r": 88,
    "g": 28,
    "b": 135
  },
  "hsl": {
    "h": 273.645,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38074,
    "c": 0.16608,
    "h": 305
  },
  "luminance": 0.04654
}

Semantic roles & 50–950 ramp

primary

#581C87

secondary

#78BA45

accent

#E93F8A

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #581C87

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

Preview Lab → · Contrast checker → · Palette generator →