#501B78#501B78

#501B78 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.6% C 0.149 H 306.0°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#501B78
RGB	rgb(80, 27, 120)
HSL	hsl(274, 63%, 29%)
HSV	hsv(274, 78%, 47%)
CMYK	cmyk(33.3%, 77.5%, 0%, 52.9%)
CIE-LAB	lab(23.15, 41.71, -42.53)
CIE-LCH	lch(23.15, 59.57, 314.44°)
OKLab	oklab(35.63% 0.0878 -0.121)
OKLCH	oklch(35.63% 0.149 306)
XYZ	xyz(7.0896, 3.8455, 18.1344)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#501B78 #43781B

analogous

#221B78 #501B78 #781B72

triadic

#501B78 #78501B #1B7850

tetradic

#501B78 #78221B #43781B #1B7278

square

#501B78 #78221B #43781B #1B7278

split-complementary

#501B78 #72781B #1B7822

monochromatic

#110619 #2F1046 #501B78 #7126AA #913BD3

Accessibility & contrast

On white

11.87

#501B78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#501B78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #501B78

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##501B78	#FFFFFF	#000000	##FFFFFF
##501B78	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00367B

Deuteranopia (green-blind)

#003776

Tritanopia (blue-blind)

#493248

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #501b78;
/* rgb */ color: rgb(80, 27, 120);
/* oklch */ color: oklch(35.6% 0.149 306.0);

Tailwind

colors: {
  custom: {
    50: '#855da0',
    500: '#501b78',
    950: '#000000',
  },
}

SCSS

$custom: #501b78;
$custom-light: #855da0;
$custom-dark: #000000;

JSON

{
  "hex": "#501b78",
  "rgb": {
    "r": 80,
    "g": 27,
    "b": 120
  },
  "hsl": {
    "h": 274.194,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.35626,
    "c": 0.14947,
    "h": 306
  },
  "luminance": 0.03845
}

Semantic roles & 50–950 ramp

primary

#501B78

secondary

#70AC43

accent

#E64188

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040F

muted

#7C797E

Preview Lab

Preview with #501B78

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

Preview Lab → · Contrast checker → · Palette generator →