#371F8B#371F8B

#371F8B is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.0% C 0.166 H 284.0°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#371F8B
RGB	rgb(55, 31, 139)
HSL	hsl(253, 64%, 33%)
HSV	hsv(253, 78%, 55%)
CMYK	cmyk(60.4%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(22.50, 40.85, -55.72)
CIE-LCH	lch(22.50, 69.09, 306.25°)
OKLab	oklab(35.01% 0.0402 -0.1606)
OKLCH	oklch(35.01% 0.166 284)
XYZ	xyz(6.7243, 3.6558, 24.7724)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F8B #738B1F

analogous

#1F3D8B #371F8B #6D1F8B

triadic

#371F8B #8B371F #1F8B37

tetradic

#371F8B #8B1F3D #738B1F #1F8B6D

square

#371F8B #8B1F3D #738B1F #1F8B6D

split-complementary

#371F8B #8B6D1F #3D8B1F

monochromatic

#0F0927 #231459 #371F8B #4B2ABD #6C4DD7

Accessibility & contrast

On white

12.13

#371F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#371F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F8B

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F8B	#FFFFFF	#000000	##FFFFFF
##371F8B	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#023E54

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #371f8b;
/* rgb */ color: rgb(55, 31, 139);
/* oklch */ color: oklch(35.0% 0.166 284.0);

Tailwind

colors: {
  custom: {
    50: '#795eae',
    500: '#371f8b',
    950: '#000000',
  },
}

SCSS

$custom: #371f8b;
$custom-light: #795eae;
$custom-dark: #000000;

JSON

{
  "hex": "#371f8b",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 253.333,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.35007,
    "c": 0.16551,
    "h": 284
  },
  "luminance": 0.03656
}

Semantic roles & 50–950 ramp

primary

#371F8B

secondary

#A2BA4C

accent

#E741C2

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #371F8B

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

Preview Lab → · Contrast checker → · Palette generator →