#581B86#581B86

#581B86 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 37.9% C 0.166 H 305.5°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#581B86
RGB	rgb(88, 27, 134)
HSL	hsl(274, 66%, 32%)
HSV	hsv(274, 80%, 53%)
CMYK	cmyk(34.3%, 79.9%, 0%, 47.5%)
CIE-LAB	lab(25.50, 46.60, -47.51)
CIE-LCH	lch(25.50, 66.55, 314.45°)
OKLab	oklab(37.89% 0.0964 -0.1353)
OKLCH	oklch(37.89% 0.166 305.5)
XYZ	xyz(8.7185, 4.5799, 22.9743)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.06

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B86 #49861B

analogous

#231B86 #581B86 #861B7F

triadic

#581B86 #86581B #1B8658

tetradic

#581B86 #86231B #49861B #1B7F86

square

#581B86 #86231B #49861B #1B7F86

split-complementary

#581B86 #7F861B #1B8623

monochromatic

#150620 #371153 #581B86 #7925B9 #9842D9

Accessibility & contrast

On white

10.96

#581B86 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#581B86 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B86

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B86	#FFFFFF	#000000	##FFFFFF
##581B86	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B89

Deuteranopia (green-blind)

#003D84

Tritanopia (blue-blind)

#4F3750

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581b86;
/* rgb */ color: rgb(88, 27, 134);
/* oklch */ color: oklch(37.9% 0.166 305.5);

Tailwind

colors: {
  custom: {
    50: '#8c5faa',
    500: '#581b86',
    950: '#000000',
  },
}

SCSS

$custom: #581b86;
$custom-light: #8c5faa;
$custom-dark: #000000;

JSON

{
  "hex": "#581b86",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 134
  },
  "hsl": {
    "h": 274.206,
    "s": 66.46,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37891,
    "c": 0.1661,
    "h": 305.5
  },
  "luminance": 0.0458
}

Semantic roles & 50–950 ramp

primary

#581B86

secondary

#76B944

accent

#E93E88

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #581B86

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

Preview Lab → · Contrast checker → · Palette generator →