#371CA6#371CA6

#371CA6 is a dark, highly saturated violet. Relative luminance 0.044; OKLCH L 37.6% C 0.200 H 279.7°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#371CA6
RGB	rgb(55, 28, 166)
HSL	hsl(252, 71%, 38%)
HSV	hsv(252, 83%, 65%)
CMYK	cmyk(66.9%, 83.1%, 0%, 34.9%)
CIE-LAB	lab(24.94, 50.35, -68.29)
CIE-LCH	lch(24.94, 84.85, 306.40°)
OKLab	oklab(37.57% 0.0336 -0.1972)
OKLCH	oklch(37.57% 0.2 279.7)
XYZ	xyz(8.8715, 4.3952, 36.4498)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371CA6 #8BA61C

analogous

#1C46A6 #371CA6 #7C1CA6

triadic

#371CA6 #A6371C #1CA637

tetradic

#371CA6 #A61C46 #8BA61C #1CA67C

square

#371CA6 #A61C46 #8BA61C #1CA67C

split-complementary

#371CA6 #A67C1C #46A61C

monochromatic

#140A3D #261372 #371CA6 #4825DA #7459E3

Accessibility & contrast

On white

11.17

#371CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#371CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371CA6

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371CA6	#FFFFFF	#000000	##FFFFFF
##371CA6	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0036A4

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #371ca6;
/* rgb */ color: rgb(55, 28, 166);
/* oklch */ color: oklch(37.6% 0.200 279.7);

Tailwind

colors: {
  custom: {
    50: '#7e5ec2',
    500: '#371ca6',
    950: '#000000',
  },
}

SCSS

$custom: #371ca6;
$custom-light: #7e5ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#371ca6",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 166
  },
  "hsl": {
    "h": 251.739,
    "s": 71.134,
    "l": 38.039
  },
  "oklch": {
    "l": 0.3757,
    "c": 0.20001,
    "h": 279.7
  },
  "luminance": 0.04396
}

Semantic roles & 50–950 ramp

primary

#371CA6

secondary

#B1C757

accent

#EE3ACB

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #371CA6

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

Preview Lab → · Contrast checker → · Palette generator →