#371BA8#371BA8

#371BA8 is a dark, highly saturated violet. Relative luminance 0.044; OKLCH L 37.7% C 0.203 H 279.5°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#371BA8
RGB	rgb(55, 27, 168)
HSL	hsl(252, 72%, 38%)
HSV	hsv(252, 84%, 66%)
CMYK	cmyk(67.3%, 83.9%, 0%, 34.1%)
CIE-LAB	lab(25.02, 51.36, -69.36)
CIE-LCH	lch(25.02, 86.30, 306.52°)
OKLab	oklab(37.7% 0.0334 -0.2002)
OKLCH	oklch(37.7% 0.203 279.5)
XYZ	xyz(9.0331, 4.4225, 37.4158)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371BA8 #8CA81B

analogous

#1B45A8 #371BA8 #7D1BA8

triadic

#371BA8 #A8371B #1BA837

tetradic

#371BA8 #A81B45 #8CA81B #1BA87D

square

#371BA8 #A81B45 #8CA81B #1BA87D

split-complementary

#371BA8 #A87D1B #45A81B

monochromatic

#140A3F #261373 #371BA8 #4924DC #7559E4

Accessibility & contrast

On white

11.14

#371BA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#371BA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371BA8

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371BA8	#FFFFFF	#000000	##FFFFFF
##371BA8	1.00	11.14	1.88	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AC

Deuteranopia (green-blind)

#0036A6

Tritanopia (blue-blind)

#004864

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #371ba8;
/* rgb */ color: rgb(55, 27, 168);
/* oklch */ color: oklch(37.7% 0.203 279.5);

Tailwind

colors: {
  custom: {
    50: '#7f5ec3',
    500: '#371ba8',
    950: '#000000',
  },
}

SCSS

$custom: #371ba8;
$custom-light: #7f5ec3;
$custom-dark: #000000;

JSON

{
  "hex": "#371ba8",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 168
  },
  "hsl": {
    "h": 251.915,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37696,
    "c": 0.20301,
    "h": 279.5
  },
  "luminance": 0.04423
}

Semantic roles & 50–950 ramp

primary

#371BA8

secondary

#B1C857

accent

#EF39CB

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #371BA8

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

Preview Lab → · Contrast checker → · Palette generator →