#501B8B#501B8B

#501B8B is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.170 H 299.2°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#501B8B
RGB	rgb(80, 27, 139)
HSL	hsl(268, 67%, 33%)
HSV	hsv(268, 81%, 55%)
CMYK	cmyk(42.4%, 80.6%, 0%, 45.5%)
CIE-LAB	lab(24.81, 46.46, -51.82)
CIE-LCH	lch(24.81, 69.60, 311.88°)
OKLab	oklab(37.3% 0.0828 -0.1482)
OKLCH	oklch(37.3% 0.17 299.2)
XYZ	xyz(8.3592, 4.3533, 24.8210)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#501B8B #568B1B

analogous

#1B1E8B #501B8B #881B8B

triadic

#501B8B #8B501B #1B8B50

tetradic

#501B8B #8B1B1E #568B1B #1B8B88

square

#501B8B #8B1B1E #568B1B #1B8B88

split-complementary

#501B8B #8B881B #1E8B1B

monochromatic

#150725 #331158 #501B8B #6D25BE #8C45DB

Accessibility & contrast

On white

11.23

#501B8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#501B8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #501B8B

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##501B8B	#FFFFFF	#000000	##FFFFFF
##501B8B	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8E

Deuteranopia (green-blind)

#003A89

Tritanopia (blue-blind)

#423A53

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #501b8b;
/* rgb */ color: rgb(80, 27, 139);
/* oklch */ color: oklch(37.3% 0.170 299.2);

Tailwind

colors: {
  custom: {
    50: '#875eae',
    500: '#501b8b',
    950: '#000000',
  },
}

SCSS

$custom: #501b8b;
$custom-light: #875eae;
$custom-dark: #000000;

JSON

{
  "hex": "#501b8b",
  "rgb": {
    "r": 80,
    "g": 27,
    "b": 139
  },
  "hsl": {
    "h": 268.393,
    "s": 67.47,
    "l": 32.549
  },
  "oklch": {
    "l": 0.37297,
    "c": 0.1698,
    "h": 299.2
  },
  "luminance": 0.04353
}

Semantic roles & 50–950 ramp

primary

#501B8B

secondary

#84BC45

accent

#EA3D99

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #501B8B

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

Preview Lab → · Contrast checker → · Palette generator →