#581B88#581B88

#581B88 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.1% C 0.168 H 304.8°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#581B88
RGB	rgb(88, 27, 136)
HSL	hsl(274, 67%, 32%)
HSV	hsv(274, 80%, 53%)
CMYK	cmyk(35.3%, 80.1%, 0%, 46.7%)
CIE-LAB	lab(25.67, 47.08, -48.49)
CIE-LCH	lch(25.67, 67.58, 314.16°)
OKLab	oklab(38.06% 0.0959 -0.1382)
OKLCH	oklch(38.06% 0.168 304.8)
XYZ	xyz(8.8594, 4.6362, 23.7159)
Luminance	0.0464 (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

#581B88 #4B881B

analogous

#221B88 #581B88 #881B82

triadic

#581B88 #88581B #1B8858

tetradic

#581B88 #88221B #4B881B #1B8288

square

#581B88 #88221B #4B881B #1B8288

split-complementary

#581B88 #82881B #1B8822

monochromatic

#160722 #371155 #581B88 #7925BB #9844DA

Accessibility & contrast

On white

10.90

#581B88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#581B88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B88

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B88	#FFFFFF	#000000	##FFFFFF
##581B88	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8B

Deuteranopia (green-blind)

#003D86

Tritanopia (blue-blind)

#4F3851

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #581b88;
/* rgb */ color: rgb(88, 27, 136);
/* oklch */ color: oklch(38.1% 0.168 304.8);

Tailwind

colors: {
  custom: {
    50: '#8c5fac',
    500: '#581b88',
    950: '#000000',
  },
}

SCSS

$custom: #581b88;
$custom-light: #8c5fac;
$custom-dark: #000000;

JSON

{
  "hex": "#581b88",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 136
  },
  "hsl": {
    "h": 273.578,
    "s": 66.871,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38062,
    "c": 0.16815,
    "h": 304.8
  },
  "luminance": 0.04636
}

Semantic roles & 50–950 ramp

primary

#581B88

secondary

#78BB44

accent

#EA3E8A

background

#F9F5FA

surface

#F1EAF4

border

#CBC6CE

text

#0D0510

muted

#7E797F

Preview Lab

Preview with #581B88

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

Preview Lab → · Contrast checker → · Palette generator →