#371D9B#371D9B

#371D9B is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.5% C 0.186 H 281.3°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#371D9B
RGB	rgb(55, 29, 155)
HSL	hsl(252, 68%, 36%)
HSV	hsv(252, 81%, 61%)
CMYK	cmyk(64.5%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(23.86, 46.67, -63.37)
CIE-LCH	lch(23.86, 78.70, 306.37°)
OKLab	oklab(36.46% 0.0367 -0.1829)
OKLCH	oklch(36.46% 0.187 281.3)
XYZ	xyz(7.9294, 4.0569, 31.3692)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371D9B #819B1D

analogous

#1D429B #371D9B #761D9B

triadic

#371D9B #9B371D #1D9B37

tetradic

#371D9B #9B1D42 #819B1D #1D9B76

square

#371D9B #9B1D42 #819B1D #1D9B76

split-complementary

#371D9B #9B761D #429B1D

monochromatic

#120A34 #251367 #371D9B #4927CF #7053DF

Accessibility & contrast

On white

11.59

#371D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#371D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371D9B

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371D9B	#FFFFFF	#000000	##FFFFFF
##371D9B	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9E

Deuteranopia (green-blind)

#003499

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371d9b;
/* rgb */ color: rgb(55, 29, 155);
/* oklch */ color: oklch(36.5% 0.186 281.3);

Tailwind

colors: {
  custom: {
    50: '#7c5eba',
    500: '#371d9b',
    950: '#000000',
  },
}

SCSS

$custom: #371d9b;
$custom-light: #7c5eba;
$custom-dark: #000000;

JSON

{
  "hex": "#371d9b",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 252.381,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.36463,
    "c": 0.1865,
    "h": 281.3
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#371D9B

secondary

#ABC252

accent

#EB3CC7

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371D9B

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

Preview Lab → · Contrast checker → · Palette generator →