#371B73#371B73

#371B73 is a dark, vivid violet. Relative luminance 0.028; OKLCH L 32.1% C 0.140 H 290.8°. Best body text is #FFFFFF at 13.40:1 contrast (WCAG AA passes).

Color values

HEX	#371B73
RGB	rgb(55, 27, 115)
HSL	hsl(259, 62%, 28%)
HSV	hsv(259, 77%, 45%)
CMYK	cmyk(52.2%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(19.37, 35.67, -45.65)
CIE-LCH	lch(19.37, 57.93, 308.01°)
OKLab	oklab(32.08% 0.0499 -0.131)
OKLCH	oklch(32.08% 0.14 290.8)
XYZ	xyz(5.0611, 2.8337, 16.4966)
Luminance	0.0283 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B73 #57731B

analogous

#1B2B73 #371B73 #631B73

triadic

#371B73 #73371B #1B7337

tetradic

#371B73 #731B2B #57731B #1B7363

square

#371B73 #731B2B #57731B #1B7363

split-complementary

#371B73 #73631B #2B731B

monochromatic

#0C0619 #1F0F41 #371B73 #4F27A5 #6938D0

Accessibility & contrast

On white

13.40

#371B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#371B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B73

13.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B73	#FFFFFF	#000000	##FFFFFF
##371B73	1.00	13.40	1.57	13.40
#FFFFFF	13.40	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003076

Deuteranopia (green-blind)

#002D71

Tritanopia (blue-blind)

#233345

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #371b73;
/* rgb */ color: rgb(55, 27, 115);
/* oklch */ color: oklch(32.1% 0.140 290.8);

Tailwind

colors: {
  custom: {
    50: '#755a9c',
    500: '#371b73',
    950: '#000000',
  },
}

SCSS

$custom: #371b73;
$custom-light: #755a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#371b73",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 259.091,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.32076,
    "c": 0.14023,
    "h": 290.8
  },
  "luminance": 0.02834
}

Semantic roles & 50–950 ramp

primary

#371B73

secondary

#87A842

accent

#E543B1

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040E

muted

#7B797E

Preview Lab

Preview with #371B73

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

Preview Lab → · Contrast checker → · Palette generator →