#371D99#371D99

#371D99 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.2% C 0.184 H 281.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#371D99
RGB	rgb(55, 29, 153)
HSL	hsl(253, 68%, 36%)
HSV	hsv(253, 81%, 60%)
CMYK	cmyk(64.1%, 81%, 0%, 40%)
CIE-LAB	lab(23.64, 46.08, -62.51)
CIE-LCH	lch(23.64, 77.65, 306.40°)
OKLab	oklab(36.25% 0.0373 -0.1803)
OKLCH	oklch(36.25% 0.184 281.7)
XYZ	xyz(7.7629, 3.9903, 30.4919)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371D99 #7F991D

analogous

#1D4199 #371D99 #751D99

triadic

#371D99 #99371D #1D9937

tetradic

#371D99 #991D41 #7F991D #1D9975

square

#371D99 #991D41 #7F991D #1D9975

split-complementary

#371D99 #99751D #41991D

monochromatic

#120932 #251366 #371D99 #4927CC #7052DE

Accessibility & contrast

On white

11.68

#371D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#371D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371D99

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371D99	#FFFFFF	#000000	##FFFFFF
##371D99	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003497

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #371d99;
/* rgb */ color: rgb(55, 29, 153);
/* oklch */ color: oklch(36.2% 0.184 281.7);

Tailwind

colors: {
  custom: {
    50: '#7c5eb8',
    500: '#371d99',
    950: '#000000',
  },
}

SCSS

$custom: #371d99;
$custom-light: #7c5eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#371d99",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 252.581,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.36246,
    "c": 0.18416,
    "h": 281.7
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary

#371D99

secondary

#AAC151

accent

#EB3DC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371D99

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

Preview Lab → · Contrast checker → · Palette generator →