#371B9A#371B9A

#371B9A is a dark, vivid violet. Relative luminance 0.039; OKLCH L 36.1% C 0.187 H 281.7°. Best body text is #FFFFFF at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#371B9A
RGB	rgb(55, 27, 154)
HSL	hsl(253, 70%, 35%)
HSV	hsv(253, 82%, 60%)
CMYK	cmyk(64.3%, 82.5%, 0%, 39.6%)
CIE-LAB	lab(23.43, 47.29, -63.46)
CIE-LCH	lch(23.43, 79.14, 306.69°)
OKLab	oklab(36.14% 0.0381 -0.1831)
OKLCH	oklch(36.14% 0.187 281.7)
XYZ	xyz(7.7984, 3.9286, 30.9129)
Luminance	0.0393 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B9A #7E9A1B

analogous

#1B3F9A #371B9A #761B9A

triadic

#371B9A #9A371B #1B9A37

tetradic

#371B9A #9A1B3F #7E9A1B #1B9A76

square

#371B9A #9A1B3F #7E9A1B #1B9A76

split-complementary

#371B9A #9A761B #3F9A1B

monochromatic

#120932 #241266 #371B9A #4A24CE #6F4FE0

Accessibility & contrast

On white

11.76

#371B9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#371B9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B9A

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B9A	#FFFFFF	#000000	##FFFFFF
##371B9A	1.00	11.76	1.79	11.76
#FFFFFF	11.76	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003398

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #371b9a;
/* rgb */ color: rgb(55, 27, 154);
/* oklch */ color: oklch(36.1% 0.187 281.7);

Tailwind

colors: {
  custom: {
    50: '#7c5db9',
    500: '#371b9a',
    950: '#000000',
  },
}

SCSS

$custom: #371b9a;
$custom-light: #7c5db9;
$custom-dark: #000000;

JSON

{
  "hex": "#371b9a",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 154
  },
  "hsl": {
    "h": 253.228,
    "s": 70.166,
    "l": 35.49
  },
  "oklch": {
    "l": 0.36137,
    "c": 0.187,
    "h": 281.7
  },
  "luminance": 0.03929
}

Semantic roles & 50–950 ramp

primary

#371B9A

secondary

#A9C34E

accent

#ED3BC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371B9A

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

Preview Lab → · Contrast checker → · Palette generator →