#371EA1#371EA1

#371EA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.2% C 0.193 H 280.2°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#371EA1
RGB	rgb(55, 30, 161)
HSL	hsl(251, 69%, 37%)
HSV	hsv(251, 81%, 63%)
CMYK	cmyk(65.8%, 81.4%, 0%, 36.9%)
CIE-LAB	lab(24.68, 47.99, -65.68)
CIE-LCH	lch(24.68, 81.34, 306.16°)
OKLab	oklab(37.23% 0.0343 -0.1896)
OKLCH	oklch(37.23% 0.193 280.2)
XYZ	xyz(8.4708, 4.3133, 34.0975)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371EA1 #88A11E

analogous

#1E47A1 #371EA1 #781EA1

triadic

#371EA1 #A1371E #1EA137

tetradic

#371EA1 #A11E47 #88A11E #1EA178

square

#371EA1 #A11E47 #88A11E #1EA178

split-complementary

#371EA1 #A1781E #47A11E

monochromatic

#140B3A #25146D #371EA1 #4928D5 #7359E0

Accessibility & contrast

On white

11.27

#371EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#371EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371EA1

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371EA1	#FFFFFF	#000000	##FFFFFF
##371EA1	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #371ea1;
/* rgb */ color: rgb(55, 30, 161);
/* oklch */ color: oklch(37.2% 0.193 280.2);

Tailwind

colors: {
  custom: {
    50: '#7d5fbe',
    500: '#371ea1',
    950: '#000000',
  },
}

SCSS

$custom: #371ea1;
$custom-light: #7d5fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#371ea1",
  "rgb": {
    "r": 55,
    "g": 30,
    "b": 161
  },
  "hsl": {
    "h": 251.45,
    "s": 68.586,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37229,
    "c": 0.19266,
    "h": 280.2
  },
  "luminance": 0.04314
}

Semantic roles & 50–950 ramp

primary

#371EA1

secondary

#AFC457

accent

#EB3CCA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371EA1

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

Preview Lab → · Contrast checker → · Palette generator →