#371B9E#371B9E

#371B9E is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.6% C 0.192 H 281.0°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#371B9E
RGB	rgb(55, 27, 158)
HSL	hsl(253, 71%, 36%)
HSV	hsv(253, 83%, 62%)
CMYK	cmyk(65.2%, 82.9%, 0%, 38%)
CIE-LAB	lab(23.88, 48.46, -65.17)
CIE-LCH	lch(23.88, 81.21, 306.64°)
OKLab	oklab(36.58% 0.0367 -0.1881)
OKLCH	oklch(36.58% 0.192 281)
XYZ	xyz(8.1371, 4.0641, 32.6968)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B9E #829E1B

analogous

#1B419E #371B9E #791B9E

triadic

#371B9E #9E371B #1B9E37

tetradic

#371B9E #9E1B41 #829E1B #1B9E79

square

#371B9E #9E1B41 #829E1B #1B9E79

split-complementary

#371B9E #9E791B #419E1B

monochromatic

#130935 #25126A #371B9E #4924D2 #7152E1

Accessibility & contrast

On white

11.58

#371B9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#371B9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B9E

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B9E	#FFFFFF	#000000	##FFFFFF
##371B9E	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA2

Deuteranopia (green-blind)

#00349C

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371b9e;
/* rgb */ color: rgb(55, 27, 158);
/* oklch */ color: oklch(36.6% 0.192 281.0);

Tailwind

colors: {
  custom: {
    50: '#7d5dbc',
    500: '#371b9e',
    950: '#000000',
  },
}

SCSS

$custom: #371b9e;
$custom-light: #7d5dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#371b9e",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 158
  },
  "hsl": {
    "h": 252.824,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36578,
    "c": 0.19162,
    "h": 281
  },
  "luminance": 0.04065
}

Semantic roles & 50–950 ramp

primary

#371B9E

secondary

#ABC451

accent

#EE3AC7

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371B9E

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

Preview Lab → · Contrast checker → · Palette generator →