#371F9C#371F9C

#371F9C is a dark, vivid violet. Relative luminance 0.042; OKLCH L 36.8% C 0.186 H 280.9°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#371F9C
RGB	rgb(55, 31, 156)
HSL	hsl(252, 67%, 37%)
HSV	hsv(252, 80%, 61%)
CMYK	cmyk(64.7%, 80.1%, 0%, 38.8%)
CIE-LAB	lab(24.30, 46.02, -63.26)
CIE-LCH	lch(24.30, 78.23, 306.03°)
OKLab	oklab(36.8% 0.0353 -0.1826)
OKLCH	oklch(36.8% 0.186 280.9)
XYZ	xyz(8.0644, 4.1919, 31.8302)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F9C #849C1F

analogous

#1F469C #371F9C #761F9C

triadic

#371F9C #9C371F #1F9C37

tetradic

#371F9C #9C1F46 #849C1F #1F9C76

square

#371F9C #9C1F46 #849C1F #1F9C76

split-complementary

#371F9C #9C761F #469C1F

monochromatic

#130B36 #251569 #371F9C #4929CF #7158DE

Accessibility & contrast

On white

11.42

#371F9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#371F9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F9C

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F9C	#FFFFFF	#000000	##FFFFFF
##371F9C	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00359A

Tritanopia (blue-blind)

#00455D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #371f9c;
/* rgb */ color: rgb(55, 31, 156);
/* oklch */ color: oklch(36.8% 0.186 280.9);

Tailwind

colors: {
  custom: {
    50: '#7c5fba',
    500: '#371f9c',
    950: '#000000',
  },
}

SCSS

$custom: #371f9c;
$custom-light: #7c5fba;
$custom-dark: #000000;

JSON

{
  "hex": "#371f9c",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 156
  },
  "hsl": {
    "h": 251.52,
    "s": 66.845,
    "l": 36.667
  },
  "oklch": {
    "l": 0.36799,
    "c": 0.18594,
    "h": 280.9
  },
  "luminance": 0.04192
}

Semantic roles & 50–950 ramp

primary

#371F9C

secondary

#ADC155

accent

#EA3EC9

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371F9C

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

Preview Lab → · Contrast checker → · Palette generator →