#371FA7#371FA7

#371FA7 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.199 H 279.2°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#371FA7
RGB	rgb(55, 31, 167)
HSL	hsl(251, 69%, 39%)
HSV	hsv(251, 81%, 65%)
CMYK	cmyk(67.1%, 81.4%, 0%, 34.5%)
CIE-LAB	lab(25.51, 49.31, -67.95)
CIE-LCH	lch(25.51, 83.96, 305.97°)
OKLab	oklab(38% 0.0319 -0.1962)
OKLCH	oklch(38% 0.199 279.2)
XYZ	xyz(9.0384, 4.5815, 36.9597)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FA7 #8FA71F

analogous

#1F4BA7 #371FA7 #7B1FA7

triadic

#371FA7 #A7371F #1FA737

tetradic

#371FA7 #A71F4B #8FA71F #1FA77B

square

#371FA7 #A71F4B #8FA71F #1FA77B

split-complementary

#371FA7 #A77B1F #4BA71F

monochromatic

#150C40 #261573 #371FA7 #4A2BD8 #765FE1

Accessibility & contrast

On white

10.96

#371FA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#371FA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FA7

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FA7	#FFFFFF	#000000	##FFFFFF
##371FA7	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AB

Deuteranopia (green-blind)

#0037A5

Tritanopia (blue-blind)

#004964

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #371fa7;
/* rgb */ color: rgb(55, 31, 167);
/* oklch */ color: oklch(38.0% 0.199 279.2);

Tailwind

colors: {
  custom: {
    50: '#7e60c2',
    500: '#371fa7',
    950: '#000000',
  },
}

SCSS

$custom: #371fa7;
$custom-light: #7e60c2;
$custom-dark: #000000;

JSON

{
  "hex": "#371fa7",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 167
  },
  "hsl": {
    "h": 250.588,
    "s": 68.687,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37997,
    "c": 0.1988,
    "h": 279.2
  },
  "luminance": 0.04582
}

Semantic roles & 50–950 ramp

primary

#371FA7

secondary

#B3C65C

accent

#EC3CCD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #371FA7

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

Preview Lab → · Contrast checker → · Palette generator →