#371EA7#371EA7

#371EA7 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.9% C 0.200 H 279.3°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#371EA7
RGB	rgb(55, 30, 167)
HSL	hsl(251, 70%, 39%)
HSV	hsv(251, 82%, 65%)
CMYK	cmyk(67.1%, 82%, 0%, 34.5%)
CIE-LAB	lab(25.35, 49.76, -68.21)
CIE-LCH	lch(25.35, 84.43, 306.11°)
OKLab	oklab(37.89% 0.0324 -0.1969)
OKLCH	oklch(37.89% 0.2 279.3)
XYZ	xyz(9.0126, 4.5300, 36.9512)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371EA7 #8EA71E

analogous

#1E49A7 #371EA7 #7B1EA7

triadic

#371EA7 #A7371E #1EA737

tetradic

#371EA7 #A71E49 #8EA71E #1EA77B

square

#371EA7 #A71E49 #8EA71E #1EA77B

split-complementary

#371EA7 #A77B1E #49A71E

monochromatic

#150B3F #261573 #371EA7 #492AD9 #765DE2

Accessibility & contrast

On white

11.02

#371EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#371EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371EA7

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371EA7	#FFFFFF	#000000	##FFFFFF
##371EA7	1.00	11.02	1.91	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.02	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: #371ea7;
/* rgb */ color: rgb(55, 30, 167);
/* oklch */ color: oklch(37.9% 0.200 279.3);

Tailwind

colors: {
  custom: {
    50: '#7e5fc2',
    500: '#371ea7',
    950: '#000000',
  },
}

SCSS

$custom: #371ea7;
$custom-light: #7e5fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#371ea7",
  "rgb": {
    "r": 55,
    "g": 30,
    "b": 167
  },
  "hsl": {
    "h": 250.949,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.37889,
    "c": 0.1996,
    "h": 279.3
  },
  "luminance": 0.04531
}

Semantic roles & 50–950 ramp

primary

#371EA7

secondary

#B3C65B

accent

#EC3BCC

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #371EA7

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

Preview Lab → · Contrast checker → · Palette generator →