#371C78#371C78

#371C78 is a dark, vivid violet. Relative luminance 0.030; OKLCH L 32.7% C 0.145 H 289.2°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#371C78
RGB	rgb(55, 28, 120)
HSL	hsl(258, 62%, 29%)
HSV	hsv(258, 77%, 47%)
CMYK	cmyk(54.2%, 76.7%, 0%, 52.9%)
CIE-LAB	lab(20.04, 36.64, -47.75)
CIE-LCH	lch(20.04, 60.19, 307.50°)
OKLab	oklab(32.7% 0.0477 -0.1372)
OKLCH	oklch(32.7% 0.145 289.2)
XYZ	xyz(5.3800, 2.9986, 18.0610)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371C78 #5D781C

analogous

#1C2F78 #371C78 #651C78

triadic

#371C78 #78371C #1C7837

tetradic

#371C78 #781C2F #5D781C #1C7865

square

#371C78 #781C2F #5D781C #1C7865

split-complementary

#371C78 #78651C #2F781C

monochromatic

#0B0619 #201046 #371C78 #4E28AA #683DD2

Accessibility & contrast

On white

13.13

#371C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#371C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371C78

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371C78	#FFFFFF	#000000	##FFFFFF
##371C78	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002E76

Tritanopia (blue-blind)

#1F3548

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #371c78;
/* rgb */ color: rgb(55, 28, 120);
/* oklch */ color: oklch(32.7% 0.145 289.2);

Tailwind

colors: {
  custom: {
    50: '#765ba0',
    500: '#371c78',
    950: '#000000',
  },
}

SCSS

$custom: #371c78;
$custom-light: #765ba0;
$custom-dark: #000000;

JSON

{
  "hex": "#371c78",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 120
  },
  "hsl": {
    "h": 257.609,
    "s": 62.162,
    "l": 29.02
  },
  "oklch": {
    "l": 0.32699,
    "c": 0.1453,
    "h": 289.2
  },
  "luminance": 0.02999
}

Semantic roles & 50–950 ramp

primary

#371C78

secondary

#8DAC44

accent

#E543B5

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#09040F

muted

#7B797E

Preview Lab

Preview with #371C78

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

Preview Lab → · Contrast checker → · Palette generator →