#581B84#581B84

#581B84 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.164 H 306.2°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#581B84
RGB	rgb(88, 27, 132)
HSL	hsl(275, 66%, 31%)
HSV	hsv(275, 80%, 52%)
CMYK	cmyk(33.3%, 79.5%, 0%, 48.2%)
CIE-LAB	lab(25.34, 46.13, -46.53)
CIE-LCH	lch(25.34, 65.52, 314.75°)
OKLab	oklab(37.72% 0.0969 -0.1324)
OKLCH	oklch(37.72% 0.164 306.2)
XYZ	xyz(8.5804, 4.5246, 22.2466)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 4.10

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#581B84 #47841B

analogous

#231B84 #581B84 #841B7B

triadic

#581B84 #84581B #1B8458

tetradic

#581B84 #84231B #47841B #1B7B84

square

#581B84 #84231B #47841B #1B7B84

split-complementary

#581B84 #7B841B #1B8423

monochromatic

#14061E #361151 #581B84 #7A25B7 #9941D8

Accessibility & contrast

On white

11.02

#581B84 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#581B84 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #581B84

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##581B84	#FFFFFF	#000000	##FFFFFF
##581B84	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A87

Deuteranopia (green-blind)

#003C82

Tritanopia (blue-blind)

#50364F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #581b84;
/* rgb */ color: rgb(88, 27, 132);
/* oklch */ color: oklch(37.7% 0.164 306.2);

Tailwind

colors: {
  custom: {
    50: '#8c5fa9',
    500: '#581b84',
    950: '#000000',
  },
}

SCSS

$custom: #581b84;
$custom-light: #8c5fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#581b84",
  "rgb": {
    "r": 88,
    "g": 27,
    "b": 132
  },
  "hsl": {
    "h": 274.857,
    "s": 66.038,
    "l": 31.176
  },
  "oklch": {
    "l": 0.37721,
    "c": 0.16407,
    "h": 306.2
  },
  "luminance": 0.04525
}

Semantic roles & 50–950 ramp

primary

#581B84

secondary

#74B743

accent

#E93F86

background

#F8F5FA

surface

#F0EAF4

border

#CBC6CE

text

#0D0510

muted

#7D797F

Preview Lab

Preview with #581B84

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

Preview Lab → · Contrast checker → · Palette generator →