#371F9A#371F9A

#371F9A is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.184 H 281.3°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#371F9A
RGB	rgb(55, 31, 154)
HSL	hsl(252, 66%, 36%)
HSV	hsv(252, 80%, 60%)
CMYK	cmyk(64.3%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(24.08, 45.42, -62.39)
CIE-LCH	lch(24.08, 77.17, 306.05°)
OKLab	oklab(36.58% 0.0359 -0.18)
OKLCH	oklch(36.58% 0.184 281.3)
XYZ	xyz(7.8964, 4.1247, 30.9456)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F9A #829A1F

analogous

#1F459A #371F9A #751F9A

triadic

#371F9A #9A371F #1F9A37

tetradic

#371F9A #9A1F45 #829A1F #1F9A75

square

#371F9A #9A1F45 #829A1F #1F9A75

split-complementary

#371F9A #9A751F #459A1F

monochromatic

#130A34 #251567 #371F9A #4929CD #7156DD

Accessibility & contrast

On white

11.51

#371F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#371F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F9A

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F9A	#FFFFFF	#000000	##FFFFFF
##371F9A	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9D

Deuteranopia (green-blind)

#003598

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371f9a;
/* rgb */ color: rgb(55, 31, 154);
/* oklch */ color: oklch(36.6% 0.184 281.3);

Tailwind

colors: {
  custom: {
    50: '#7c5fb9',
    500: '#371f9a',
    950: '#000000',
  },
}

SCSS

$custom: #371f9a;
$custom-light: #7c5fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#371f9a",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 251.707,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36584,
    "c": 0.18357,
    "h": 281.3
  },
  "luminance": 0.04125
}

Semantic roles & 50–950 ramp

primary

#371F9A

secondary

#ABC154

accent

#E93EC8

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371F9A

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

Preview Lab → · Contrast checker → · Palette generator →