#581B90#581B90

#581B90 is a dark, vivid violet. Relative luminance 0.049; OKLCH L 38.8% C 0.176 H 302.1°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#581B90
RGB	rgb(88, 27, 144)
HSL	hsl(271, 68%, 34%)
HSV	hsv(271, 81%, 56%)
CMYK	cmyk(38.9%, 81.3%, 0%, 43.5%)
CIE-LAB	lab(26.37, 49.01, -52.33)
CIE-LCH	lch(26.37, 71.69, 313.12°)
OKLab	oklab(38.76% 0.0936 -0.1494)
OKLCH	oklch(38.76% 0.176 302.1)
XYZ	xyz(9.4493, 4.8722, 26.8227)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B90 #53901B

analogous

#1D1B90 #581B90 #901B8D

triadic

#581B90 #90581B #1B9058

tetradic

#581B90 #901D1B #53901B #1B8D90

square

#581B90 #901D1B #53901B #1B8D90

split-complementary

#581B90 #8D901B #1B901D

monochromatic

#190829 #39115C #581B90 #7725C4 #9649DD

Accessibility & contrast

On white

10.64

#581B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#581B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B90

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B90	#FFFFFF	#000000	##FFFFFF
##581B90	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E93

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#4C3B56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #581b90;
/* rgb */ color: rgb(88, 27, 144);
/* oklch */ color: oklch(38.8% 0.176 302.1);

Tailwind

colors: {
  custom: {
    50: '#8d60b1',
    500: '#581b90',
    950: '#000000',
  },
}

SCSS

$custom: #581b90;
$custom-light: #8d60b1;
$custom-dark: #000000;

JSON

{
  "hex": "#581b90",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 144
  },
  "hsl": {
    "h": 271.282,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.38763,
    "c": 0.17633,
    "h": 302.1
  },
  "luminance": 0.04872
}

Semantic roles & 50–950 ramp

primary

#581B90

secondary

#81BF48

accent

#EB3D90

background

#F9F5FB

surface

#F1EAF6

border

#CBC6D0

text

#0D0511

muted

#7E7980

Preview Lab

Preview with #581B90

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

Preview Lab → · Contrast checker → · Palette generator →