#371BA7#371BA7

#371BA7 is a dark, highly saturated violet. Relative luminance 0.044; OKLCH L 37.6% C 0.202 H 279.6°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#371BA7
RGB	rgb(55, 27, 167)
HSL	hsl(252, 72%, 38%)
HSV	hsv(252, 84%, 65%)
CMYK	cmyk(67.1%, 83.8%, 0%, 34.5%)
CIE-LAB	lab(24.91, 51.07, -68.94)
CIE-LCH	lch(24.91, 85.80, 306.53°)
OKLab	oklab(37.58% 0.0337 -0.199)
OKLCH	oklch(37.58% 0.202 279.6)
XYZ	xyz(8.9403, 4.3854, 36.9270)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371BA7 #8BA71B

analogous

#1B45A7 #371BA7 #7D1BA7

triadic

#371BA7 #A7371B #1BA737

tetradic

#371BA7 #A71B45 #8BA71B #1BA77D

square

#371BA7 #A71B45 #8BA71B #1BA77D

split-complementary

#371BA7 #A77D1B #45A71B

monochromatic

#140A3E #261272 #371BA7 #4824DC #7458E4

Accessibility & contrast

On white

11.19

#371BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#371BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371BA7

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371BA7	#FFFFFF	#000000	##FFFFFF
##371BA7	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004863

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #371ba7;
/* rgb */ color: rgb(55, 27, 167);
/* oklch */ color: oklch(37.6% 0.202 279.6);

Tailwind

colors: {
  custom: {
    50: '#7f5ec3',
    500: '#371ba7',
    950: '#000000',
  },
}

SCSS

$custom: #371ba7;
$custom-light: #7f5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#371ba7",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 167
  },
  "hsl": {
    "h": 252,
    "s": 72.165,
    "l": 38.039
  },
  "oklch": {
    "l": 0.37583,
    "c": 0.20189,
    "h": 279.6
  },
  "luminance": 0.04386
}

Semantic roles & 50–950 ramp

primary

#371BA7

secondary

#B1C856

accent

#EF39CA

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #371BA7

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

Preview Lab → · Contrast checker → · Palette generator →