#371D9E#371D9E

#371D9E is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.190 H 280.8°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#371D9E
RGB	rgb(55, 29, 158)
HSL	hsl(252, 69%, 37%)
HSV	hsv(252, 82%, 62%)
CMYK	cmyk(65.2%, 81.6%, 0%, 38%)
CIE-LAB	lab(24.19, 47.56, -64.66)
CIE-LCH	lch(24.19, 80.27, 306.34°)
OKLab	oklab(36.79% 0.0357 -0.1866)
OKLCH	oklch(36.79% 0.19 280.8)
XYZ	xyz(8.1845, 4.1589, 32.7126)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371D9E #849E1D

analogous

#1D449E #371D9E #781D9E

triadic

#371D9E #9E371D #1D9E37

tetradic

#371D9E #9E1D44 #849E1D #1D9E78

square

#371D9E #9E1D44 #849E1D #1D9E78

split-complementary

#371D9E #9E781D #449E1D

monochromatic

#130A37 #25146A #371D9E #4926D2 #7156E0

Accessibility & contrast

On white

11.46

#371D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#371D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371D9E

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371D9E	#FFFFFF	#000000	##FFFFFF
##371D9E	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA2

Deuteranopia (green-blind)

#00359C

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371d9e;
/* rgb */ color: rgb(55, 29, 158);
/* oklch */ color: oklch(36.8% 0.190 280.8);

Tailwind

colors: {
  custom: {
    50: '#7d5ebc',
    500: '#371d9e',
    950: '#000000',
  },
}

SCSS

$custom: #371d9e;
$custom-light: #7d5ebc;
$custom-dark: #000000;

JSON

{
  "hex": "#371d9e",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 252.093,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36791,
    "c": 0.19,
    "h": 280.8
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#371D9E

secondary

#ADC354

accent

#EC3CC8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371D9E

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

Preview Lab → · Contrast checker → · Palette generator →