#501B71#501B71

#501B71 is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.0% C 0.142 H 308.9°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#501B71
RGB	rgb(80, 27, 113)
HSL	hsl(277, 61%, 27%)
HSV	hsv(277, 76%, 44%)
CMYK	cmyk(29.2%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(22.59, 40.01, -38.96)
CIE-LCH	lch(22.59, 55.84, 315.76°)
OKLab	oklab(35.05% 0.0892 -0.1104)
OKLCH	oklch(35.05% 0.142 308.9)
XYZ	xyz(6.6802, 3.6817, 15.9783)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#501B71 #3C711B

analogous

#251B71 #501B71 #711B67

triadic

#501B71 #71501B #1B7150

tetradic

#501B71 #71251B #3C711B #1B6771

square

#501B71 #71251B #3C711B #1B6771

split-complementary

#501B71 #67711B #1B7125

monochromatic

#110619 #2D0F40 #501B71 #7327A2 #9537CF

Accessibility & contrast

On white

12.09

#501B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#501B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #501B71

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##501B71	#FFFFFF	#000000	##FFFFFF
##501B71	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003473

Deuteranopia (green-blind)

#04376F

Tritanopia (blue-blind)

#4B2F44

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #501b71;
/* rgb */ color: rgb(80, 27, 113);
/* oklch */ color: oklch(35.0% 0.142 308.9);

Tailwind

colors: {
  custom: {
    50: '#855d9a',
    500: '#501b71',
    950: '#000000',
  },
}

SCSS

$custom: #501b71;
$custom-light: #855d9a;
$custom-dark: #000000;

JSON

{
  "hex": "#501b71",
  "rgb": {
    "r": 80,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 276.977,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.3505,
    "c": 0.14196,
    "h": 308.9
  },
  "luminance": 0.03682
}

Semantic roles & 50–950 ramp

primary

#501B71

secondary

#68A642

accent

#E54381

background

#F8F5F9

surface

#F0E9F2

border

#CBC5CC

text

#0B040E

muted

#7C797E

Preview Lab

Preview with #501B71

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

Preview Lab → · Contrast checker → · Palette generator →