#371BA1#371BA1

#371BA1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.9% C 0.195 H 280.6°. Best body text is #FFFFFF at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#371BA1
RGB	rgb(55, 27, 161)
HSL	hsl(253, 71%, 37%)
HSV	hsv(253, 83%, 63%)
CMYK	cmyk(65.8%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(24.22, 49.34, -66.44)
CIE-LCH	lch(24.22, 82.75, 306.60°)
OKLab	oklab(36.91% 0.0357 -0.1918)
OKLCH	oklch(36.91% 0.195 280.6)
XYZ	xyz(8.3985, 4.1686, 34.0734)
Luminance	0.0417 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371BA1 #85A11B

analogous

#1B42A1 #371BA1 #7A1BA1

triadic

#371BA1 #A1371B #1BA137

tetradic

#371BA1 #A11B42 #85A11B #1BA17A

square

#371BA1 #A11B42 #85A11B #1BA17A

split-complementary

#371BA1 #A17A1B #42A11B

monochromatic

#130938 #25126D #371BA1 #4924D5 #7254E2

Accessibility & contrast

On white

11.45

#371BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#371BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371BA1

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371BA1	#FFFFFF	#000000	##FFFFFF
##371BA1	1.00	11.45	1.83	11.45
#FFFFFF	11.45	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004560

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #371ba1;
/* rgb */ color: rgb(55, 27, 161);
/* oklch */ color: oklch(36.9% 0.195 280.6);

Tailwind

colors: {
  custom: {
    50: '#7d5dbe',
    500: '#371ba1',
    950: '#000000',
  },
}

SCSS

$custom: #371ba1;
$custom-light: #7d5dbe;
$custom-dark: #000000;

JSON

{
  "hex": "#371ba1",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 252.537,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.36911,
    "c": 0.19506,
    "h": 280.6
  },
  "luminance": 0.04169
}

Semantic roles & 50–950 ramp

primary

#371BA1

secondary

#ADC552

accent

#EE3AC8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371BA1

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

Preview Lab → · Contrast checker → · Palette generator →