#371FA1#371FA1

#371FA1 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.192 H 280.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#371FA1
RGB	rgb(55, 31, 161)
HSL	hsl(251, 68%, 38%)
HSV	hsv(251, 81%, 63%)
CMYK	cmyk(65.8%, 80.7%, 0%, 36.9%)
CIE-LAB	lab(24.84, 47.52, -65.41)
CIE-LCH	lch(24.84, 80.85, 306.00°)
OKLab	oklab(37.34% 0.0338 -0.1888)
OKLCH	oklch(37.34% 0.192 280.1)
XYZ	xyz(8.4965, 4.3647, 34.1060)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FA1 #89A11F

analogous

#1F48A1 #371FA1 #781FA1

triadic

#371FA1 #A1371F #1FA137

tetradic

#371FA1 #A11F48 #89A11F #1FA178

square

#371FA1 #A11F48 #89A11F #1FA178

split-complementary

#371FA1 #A1781F #48A11F

monochromatic

#140B3A #25156E #371FA1 #4929D4 #735BDF

Accessibility & contrast

On white

11.21

#371FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#371FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FA1

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FA1	#FFFFFF	#000000	##FFFFFF
##371FA1	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #371fa1;
/* rgb */ color: rgb(55, 31, 161);
/* oklch */ color: oklch(37.3% 0.192 280.1);

Tailwind

colors: {
  custom: {
    50: '#7d5fbe',
    500: '#371fa1',
    950: '#000000',
  },
}

SCSS

$custom: #371fa1;
$custom-light: #7d5fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#371fa1",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 161
  },
  "hsl": {
    "h": 251.077,
    "s": 67.708,
    "l": 37.647
  },
  "oklch": {
    "l": 0.3734,
    "c": 0.19182,
    "h": 280.1
  },
  "luminance": 0.04365
}

Semantic roles & 50–950 ramp

primary

#371FA1

secondary

#B0C458

accent

#EB3DCB

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371FA1

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

Preview Lab → · Contrast checker → · Palette generator →