#371FA9#371FA9

#371FA9 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.2% C 0.201 H 279.0°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#371FA9
RGB	rgb(55, 31, 169)
HSL	hsl(250, 69%, 39%)
HSV	hsv(250, 82%, 66%)
CMYK	cmyk(67.5%, 81.7%, 0%, 33.7%)
CIE-LAB	lab(25.73, 49.90, -68.79)
CIE-LCH	lch(25.73, 84.98, 305.96°)
OKLab	oklab(38.22% 0.0313 -0.1986)
OKLCH	oklch(38.22% 0.201 279)
XYZ	xyz(9.2247, 4.6560, 37.9410)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371FA9 #91A91F

analogous

#1F4CA9 #371FA9 #7C1FA9

triadic

#371FA9 #A9371F #1FA937

tetradic

#371FA9 #A91F4C #91A91F #1FA97C

square

#371FA9 #A91F4C #91A91F #1FA97C

split-complementary

#371FA9 #A97C1F #4CA91F

monochromatic

#150C42 #261675 #371FA9 #4B2DD8 #7760E2

Accessibility & contrast

On white

10.87

#371FA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#371FA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371FA9

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371FA9	#FFFFFF	#000000	##FFFFFF
##371FA9	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AD

Deuteranopia (green-blind)

#0037A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #371fa9;
/* rgb */ color: rgb(55, 31, 169);
/* oklch */ color: oklch(38.2% 0.201 279.0);

Tailwind

colors: {
  custom: {
    50: '#7f60c4',
    500: '#371fa9',
    950: '#000000',
  },
}

SCSS

$custom: #371fa9;
$custom-light: #7f60c4;
$custom-dark: #000000;

JSON

{
  "hex": "#371fa9",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 169
  },
  "hsl": {
    "h": 250.435,
    "s": 69,
    "l": 39.216
  },
  "oklch": {
    "l": 0.38218,
    "c": 0.2011,
    "h": 279
  },
  "luminance": 0.04657
}

Semantic roles & 50–950 ramp

primary

#371FA9

secondary

#B4C75D

accent

#EC3CCD

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #371FA9

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

Preview Lab → · Contrast checker → · Palette generator →