#371C81#371C81

#371C81 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.156 H 286.8°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#371C81
RGB	rgb(55, 28, 129)
HSL	hsl(256, 64%, 31%)
HSV	hsv(256, 78%, 51%)
CMYK	cmyk(57.4%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(20.93, 39.36, -52.01)
CIE-LCH	lch(20.93, 65.23, 307.12°)
OKLab	oklab(33.6% 0.0452 -0.1497)
OKLCH	oklch(33.6% 0.156 286.8)
XYZ	xyz(5.9521, 3.2274, 21.0739)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371C81 #66811C

analogous

#1C3381 #371C81 #691C81

triadic

#371C81 #81371C #1C8137

tetradic

#371C81 #811C33 #66811C #1C8169

square

#371C81 #811C33 #66811C #1C8169

split-complementary

#371C81 #81691C #33811C

monochromatic

#0C061C #22114F #371C81 #4C27B3 #6942D6

Accessibility & contrast

On white

12.76

#371C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#371C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371C81

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371C81	#FFFFFF	#000000	##FFFFFF
##371C81	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003584

Deuteranopia (green-blind)

#002F7F

Tritanopia (blue-blind)

#16384D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #371c81;
/* rgb */ color: rgb(55, 28, 129);
/* oklch */ color: oklch(33.6% 0.156 286.8);

Tailwind

colors: {
  custom: {
    50: '#775ca7',
    500: '#371c81',
    950: '#000000',
  },
}

SCSS

$custom: #371c81;
$custom-light: #775ca7;
$custom-dark: #000000;

JSON

{
  "hex": "#371c81",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 256.04,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.336,
    "c": 0.15639,
    "h": 286.8
  },
  "luminance": 0.03228
}

Semantic roles & 50–950 ramp

primary

#371C81

secondary

#96B444

accent

#E740BB

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #371C81

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

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