#371C7C#371C7C

#371C7C is a dark, vivid violet. Relative luminance 0.031; OKLCH L 33.1% C 0.150 H 288.1°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#371C7C
RGB	rgb(55, 28, 124)
HSL	hsl(257, 63%, 30%)
HSV	hsv(257, 77%, 49%)
CMYK	cmyk(55.6%, 77.4%, 0%, 51.4%)
CIE-LAB	lab(20.43, 37.85, -49.66)
CIE-LCH	lch(20.43, 62.44, 307.31°)
OKLab	oklab(33.1% 0.0466 -0.1428)
OKLCH	oklch(33.1% 0.15 288.1)
XYZ	xyz(5.6278, 3.0977, 19.3662)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371C7C #617C1C

analogous

#1C317C #371C7C #671C7C

triadic

#371C7C #7C371C #1C7C37

tetradic

#371C7C #7C1C31 #617C1C #1C7C67

square

#371C7C #7C1C31 #617C1C #1C7C67

split-complementary

#371C7C #7C671C #317C1C

monochromatic

#0B0619 #21114A #371C7C #4D27AE #693FD4

Accessibility & contrast

On white

12.97

#371C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#371C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371C7C

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371C7C	#FFFFFF	#000000	##FFFFFF
##371C7C	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#002F7A

Tritanopia (blue-blind)

#1B374B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #371c7c;
/* rgb */ color: rgb(55, 28, 124);
/* oklch */ color: oklch(33.1% 0.150 288.1);

Tailwind

colors: {
  custom: {
    50: '#765ba3',
    500: '#371c7c',
    950: '#000000',
  },
}

SCSS

$custom: #371c7c;
$custom-light: #765ba3;
$custom-dark: #000000;

JSON

{
  "hex": "#371c7c",
  "rgb": {
    "r": 55,
    "g": 28,
    "b": 124
  },
  "hsl": {
    "h": 256.875,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.33096,
    "c": 0.15025,
    "h": 288.1
  },
  "luminance": 0.03098
}

Semantic roles & 50–950 ramp

primary

#371C7C

secondary

#91B044

accent

#E642B8

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #371C7C

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

Preview Lab → · Contrast checker → · Palette generator →