#371D8B#371D8B

#371D8B is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.8% C 0.168 H 284.4°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#371D8B
RGB	rgb(55, 29, 139)
HSL	hsl(254, 65%, 33%)
HSV	hsv(254, 79%, 55%)
CMYK	cmyk(60.4%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(22.14, 41.88, -56.31)
CIE-LCH	lch(22.14, 70.17, 306.64°)
OKLab	oklab(34.76% 0.0416 -0.1623)
OKLCH	oklch(34.76% 0.168 284.4)
XYZ	xyz(6.6737, 3.5546, 24.7555)
Luminance	0.0355 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371D8B #718B1D

analogous

#1D3A8B #371D8B #6E1D8B

triadic

#371D8B #8B371D #1D8B37

tetradic

#371D8B #8B1D3A #718B1D #1D8B6E

square

#371D8B #8B1D3A #718B1D #1D8B6E

split-complementary

#371D8B #8B6E1D #3A8B1D

monochromatic

#0F0826 #231258 #371D8B #4B28BE #6B49D9

Accessibility & contrast

On white

12.27

#371D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#371D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371D8B

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371D8B	#FFFFFF	#000000	##FFFFFF
##371D8B	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003189

Tritanopia (blue-blind)

#033D53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #371d8b;
/* rgb */ color: rgb(55, 29, 139);
/* oklch */ color: oklch(34.8% 0.168 284.4);

Tailwind

colors: {
  custom: {
    50: '#795dae',
    500: '#371d8b',
    950: '#000000',
  },
}

SCSS

$custom: #371d8b;
$custom-light: #795dae;
$custom-dark: #000000;

JSON

{
  "hex": "#371d8b",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 254.182,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34756,
    "c": 0.16752,
    "h": 284.4
  },
  "luminance": 0.03555
}

Semantic roles & 50–950 ramp

primary

#371D8B

secondary

#A0BB49

accent

#E83FC0

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371D8B

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

Preview Lab → · Contrast checker → · Palette generator →