#371E7B#371E7B

#371E7B is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.3% C 0.147 H 287.9°. Best body text is #FFFFFF at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#371E7B
RGB	rgb(55, 30, 123)
HSL	hsl(256, 61%, 30%)
HSV	hsv(256, 76%, 48%)
CMYK	cmyk(55.3%, 75.6%, 0%, 51.8%)
CIE-LAB	lab(20.71, 36.47, -48.56)
CIE-LCH	lch(20.71, 60.73, 306.91°)
OKLab	oklab(33.27% 0.0452 -0.1396)
OKLCH	oklch(33.27% 0.147 287.9)
XYZ	xyz(5.6139, 3.1706, 19.0512)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371E7B #627B1E

analogous

#1E347B #371E7B #651E7B

triadic

#371E7B #7B371E #1E7B37

tetradic

#371E7B #7B1E34 #627B1E #1E7B65

square

#371E7B #7B1E34 #627B1E #1E7B65

split-complementary

#371E7B #7B651E #347B1E

monochromatic

#0B0619 #21124A #371E7B #4D2AAC #6942D1

Accessibility & contrast

On white

12.85

#371E7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#371E7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371E7B

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371E7B	#FFFFFF	#000000	##FFFFFF
##371E7B	1.00	12.85	1.63	12.85
#FFFFFF	12.85	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347E

Deuteranopia (green-blind)

#002F79

Tritanopia (blue-blind)

#1C374A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #371e7b;
/* rgb */ color: rgb(55, 30, 123);
/* oklch */ color: oklch(33.3% 0.147 287.9);

Tailwind

colors: {
  custom: {
    50: '#765ca2',
    500: '#371e7b',
    950: '#000000',
  },
}

SCSS

$custom: #371e7b;
$custom-light: #765ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#371e7b",
  "rgb": {
    "r": 55,
    "g": 30,
    "b": 123
  },
  "hsl": {
    "h": 256.129,
    "s": 60.784,
    "l": 30
  },
  "oklch": {
    "l": 0.33266,
    "c": 0.14674,
    "h": 287.9
  },
  "luminance": 0.03171
}

Semantic roles & 50–950 ramp

primary

#371E7B

secondary

#92AE46

accent

#E444B9

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#09040F

muted

#7B797F

Preview Lab

Preview with #371E7B

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

Preview Lab → · Contrast checker → · Palette generator →