#371BA6#371BA6

#371BA6 is a dark, highly saturated violet. Relative luminance 0.043; OKLCH L 37.5% C 0.201 H 279.8°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#371BA6
RGB	rgb(55, 27, 166)
HSL	hsl(252, 72%, 38%)
HSV	hsv(252, 84%, 65%)
CMYK	cmyk(66.9%, 83.7%, 0%, 34.9%)
CIE-LAB	lab(24.79, 50.78, -68.53)
CIE-LCH	lch(24.79, 85.29, 306.54°)
OKLab	oklab(37.47% 0.034 -0.1978)
OKLCH	oklch(37.47% 0.201 279.8)
XYZ	xyz(8.8482, 4.3485, 36.4421)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371BA6 #8AA61B

analogous

#1B45A6 #371BA6 #7C1BA6

triadic

#371BA6 #A6371B #1BA637

tetradic

#371BA6 #A61B45 #8AA61B #1BA67C

square

#371BA6 #A61B45 #8AA61B #1BA67C

split-complementary

#371BA6 #A67C1B #45A61B

monochromatic

#140A3D #261271 #371BA6 #4824DB #7458E4

Accessibility & contrast

On white

11.23

#371BA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#371BA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371BA6

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371BA6	#FFFFFF	#000000	##FFFFFF
##371BA6	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AA

Deuteranopia (green-blind)

#0035A4

Tritanopia (blue-blind)

#004763

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #371ba6;
/* rgb */ color: rgb(55, 27, 166);
/* oklch */ color: oklch(37.5% 0.201 279.8);

Tailwind

colors: {
  custom: {
    50: '#7e5ec2',
    500: '#371ba6',
    950: '#000000',
  },
}

SCSS

$custom: #371ba6;
$custom-light: #7e5ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#371ba6",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 166
  },
  "hsl": {
    "h": 252.086,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.3747,
    "c": 0.20075,
    "h": 279.8
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#371BA6

secondary

#B0C756

accent

#EF39CA

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #371BA6

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

Preview Lab → · Contrast checker → · Palette generator →