#581B87#581B87

#581B87 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.167 H 305.1°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#581B87
RGB	rgb(88, 27, 135)
HSL	hsl(274, 67%, 32%)
HSV	hsv(274, 80%, 53%)
CMYK	cmyk(34.8%, 80%, 0%, 47.1%)
CIE-LAB	lab(25.59, 46.84, -48.00)
CIE-LCH	lch(25.59, 67.07, 314.30°)
OKLab	oklab(37.98% 0.0961 -0.1367)
OKLCH	oklch(37.98% 0.167 305.1)
XYZ	xyz(8.7886, 4.6079, 23.3434)
Luminance	0.0461 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.05

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B87 #4A871B

analogous

#221B87 #581B87 #871B80

triadic

#581B87 #87581B #1B8758

tetradic

#581B87 #87221B #4A871B #1B8087

square

#581B87 #87221B #4A871B #1B8087

split-complementary

#581B87 #80871B #1B8722

monochromatic

#160721 #371154 #581B87 #7925BA #9843D9

Accessibility & contrast

On white

10.93

#581B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#581B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B87

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B87	#FFFFFF	#000000	##FFFFFF
##581B87	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8A

Deuteranopia (green-blind)

#003D85

Tritanopia (blue-blind)

#4F3751

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #581b87;
/* rgb */ color: rgb(88, 27, 135);
/* oklch */ color: oklch(38.0% 0.167 305.1);

Tailwind

colors: {
  custom: {
    50: '#8c5fab',
    500: '#581b87',
    950: '#000000',
  },
}

SCSS

$custom: #581b87;
$custom-light: #8c5fab;
$custom-dark: #000000;

JSON

{
  "hex": "#581b87",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 273.889,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37976,
    "c": 0.16713,
    "h": 305.1
  },
  "luminance": 0.04608
}

Semantic roles & 50–950 ramp

primary

#581B87

secondary

#77BA44

accent

#EA3E89

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581B87

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

Preview Lab → · Contrast checker → · Palette generator →