#371C7B#371C7B

#371C7B is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.0% C 0.149 H 288.4°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#371C7B
RGB	rgb(55, 28, 123)
HSL	hsl(257, 63%, 30%)
HSV	hsv(257, 77%, 48%)
CMYK	cmyk(55.3%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(20.33, 37.55, -49.19)
CIE-LCH	lch(20.33, 61.88, 307.36°)
OKLab	oklab(33% 0.0469 -0.1414)
OKLCH	oklch(33% 0.149 288.4)
XYZ	xyz(5.5649, 3.0725, 19.0349)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371C7B #607B1C

analogous

#1C307B #371C7B #671C7B

triadic

#371C7B #7B371C #1C7B37

tetradic

#371C7B #7B1C30 #607B1C #1C7B67

square

#371C7B #7B1C30 #607B1C #1C7B67

split-complementary

#371C7B #7B671C #307B1C

monochromatic

#0B0619 #211149 #371C7B #4D27AD #693ED3

Accessibility & contrast

On white

13.01

#371C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#371C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371C7B

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371C7B	#FFFFFF	#000000	##FFFFFF
##371C7B	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#1C364A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #371c7b;
/* rgb */ color: rgb(55, 28, 123);
/* oklch */ color: oklch(33.0% 0.149 288.4);

Tailwind

colors: {
  custom: {
    50: '#765ba2',
    500: '#371c7b',
    950: '#000000',
  },
}

SCSS

$custom: #371c7b;
$custom-light: #765ba2;
$custom-dark: #000000;

JSON

{
  "hex": "#371c7b",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 257.053,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.32996,
    "c": 0.14902,
    "h": 288.4
  },
  "luminance": 0.03073
}

Semantic roles & 50–950 ramp

primary

#371C7B

secondary

#90AF44

accent

#E642B7

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #371C7B

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

Preview Lab → · Contrast checker → · Palette generator →