#581B83#581B83

#581B83 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.6% C 0.163 H 306.6°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#581B83
RGB	rgb(88, 27, 131)
HSL	hsl(275, 66%, 31%)
HSV	hsv(275, 79%, 51%)
CMYK	cmyk(32.8%, 79.4%, 0%, 48.6%)
CIE-LAB	lab(25.25, 45.89, -46.04)
CIE-LCH	lch(25.25, 65.00, 314.91°)
OKLab	oklab(37.64% 0.0971 -0.131)
OKLCH	oklch(37.64% 0.163 306.6)
XYZ	xyz(8.5123, 4.4974, 21.8880)
Luminance	0.0450 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.14

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B83 #46831B

analogous

#241B83 #581B83 #831B7A

triadic

#581B83 #83581B #1B8358

tetradic

#581B83 #83241B #46831B #1B7A83

square

#581B83 #83241B #46831B #1B7A83

split-complementary

#581B83 #7A831B #1B8324

monochromatic

#14061E #361150 #581B83 #7A25B6 #9941D8

Accessibility & contrast

On white

11.06

#581B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#581B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B83

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B83	#FFFFFF	#000000	##FFFFFF
##581B83	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A86

Deuteranopia (green-blind)

#003C81

Tritanopia (blue-blind)

#50354E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581b83;
/* rgb */ color: rgb(88, 27, 131);
/* oklch */ color: oklch(37.6% 0.163 306.6);

Tailwind

colors: {
  custom: {
    50: '#8c5fa8',
    500: '#581b83',
    950: '#000000',
  },
}

SCSS

$custom: #581b83;
$custom-light: #8c5fa8;
$custom-dark: #000000;

JSON

{
  "hex": "#581b83",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 131
  },
  "hsl": {
    "h": 275.192,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37637,
    "c": 0.16304,
    "h": 306.6
  },
  "luminance": 0.04497
}

Semantic roles & 50–950 ramp

primary

#581B83

secondary

#73B643

accent

#E93F85

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #581B83

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

Preview Lab → · Contrast checker → · Palette generator →