#371CA8#371CA8

#371CA8 is a dark, highly saturated violet. Relative luminance 0.045; OKLCH L 37.8% C 0.202 H 279.4°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#371CA8
RGB	rgb(55, 28, 168)
HSL	hsl(252, 71%, 38%)
HSV	hsv(252, 83%, 66%)
CMYK	cmyk(67.3%, 83.3%, 0%, 34.1%)
CIE-LAB	lab(25.17, 50.94, -69.12)
CIE-LCH	lch(25.17, 85.86, 306.39°)
OKLab	oklab(37.79% 0.033 -0.1996)
OKLCH	oklch(37.79% 0.202 279.4)
XYZ	xyz(9.0564, 4.4691, 37.4236)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371CA8 #8DA81C

analogous

#1C47A8 #371CA8 #7D1CA8

triadic

#371CA8 #A8371C #1CA837

tetradic

#371CA8 #A81C47 #8DA81C #1CA87D

square

#371CA8 #A81C47 #8DA81C #1CA87D

split-complementary

#371CA8 #A87D1C #47A81C

monochromatic

#150B3F #261374 #371CA8 #4926DB #755BE4

Accessibility & contrast

On white

11.09

#371CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#371CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371CA8

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371CA8	#FFFFFF	#000000	##FFFFFF
##371CA8	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #371ca8;
/* rgb */ color: rgb(55, 28, 168);
/* oklch */ color: oklch(37.8% 0.202 279.4);

Tailwind

colors: {
  custom: {
    50: '#7f5ec3',
    500: '#371ca8',
    950: '#000000',
  },
}

SCSS

$custom: #371ca8;
$custom-light: #7f5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#371ca8",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 168
  },
  "hsl": {
    "h": 251.571,
    "s": 71.429,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37794,
    "c": 0.20228,
    "h": 279.4
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#371CA8

secondary

#B2C758

accent

#EE3ACB

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #371CA8

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

Preview Lab → · Contrast checker → · Palette generator →