#501B66#501B66

#501B66 is a dark, vivid purple. Relative luminance 0.034; OKLCH L 34.2% C 0.130 H 314.2°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#501B66
RGB	rgb(80, 27, 102)
HSL	hsl(282, 58%, 25%)
HSV	hsv(282, 74%, 40%)
CMYK	cmyk(21.6%, 73.5%, 0%, 60%)
CIE-LAB	lab(21.76, 37.41, -33.16)
CIE-LCH	lch(21.76, 49.99, 318.45°)
OKLab	oklab(34.19% 0.0907 -0.0934)
OKLCH	oklch(34.19% 0.13 314.2)
XYZ	xyz(6.0981, 3.4488, 12.9123)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#501B66 #31661B

analogous

#2A1B66 #501B66 #661B56

triadic

#501B66 #66501B #1B6650

tetradic

#501B66 #662A1B #31661B #1B5666

square

#501B66 #662A1B #31661B #1B5666

split-complementary

#501B66 #56661B #1B662A

monochromatic

#130618 #2A0E36 #501B66 #762896 #9C35C7

Accessibility & contrast

On white

12.43

#501B66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#501B66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #501B66

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##501B66	#FFFFFF	#000000	##FFFFFF
##501B66	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003168

Deuteranopia (green-blind)

#173564

Tritanopia (blue-blind)

#4E2A3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #501b66;
/* rgb */ color: rgb(80, 27, 102);
/* oklch */ color: oklch(34.2% 0.130 314.2);

Tailwind

colors: {
  custom: {
    50: '#845c92',
    500: '#501b66',
    950: '#000000',
  },
}

SCSS

$custom: #501b66;
$custom-light: #845c92;
$custom-dark: #000000;

JSON

{
  "hex": "#501b66",
  "rgb": {
    "r": 80,
    "g": 27,
    "b": 102
  },
  "hsl": {
    "h": 282.4,
    "s": 58.14,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34194,
    "c": 0.13022,
    "h": 314.2
  },
  "luminance": 0.03449
}

Semantic roles & 50–950 ramp

primary

#501B66

secondary

#5C9B41

accent

#E14674

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #501B66

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

Preview Lab → · Contrast checker → · Palette generator →