#371F9F#371F9F

#371F9F is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.189 H 280.4°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#371F9F
RGB	rgb(55, 31, 159)
HSL	hsl(251, 67%, 37%)
HSV	hsv(251, 81%, 62%)
CMYK	cmyk(65.4%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(24.62, 46.92, -64.55)
CIE-LCH	lch(24.62, 79.81, 306.01°)
OKLab	oklab(37.12% 0.0344 -0.1863)
OKLCH	oklch(37.12% 0.189 280.4)
XYZ	xyz(8.3216, 4.2947, 33.1846)
Luminance	0.0430 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371F9F #879F1F

analogous

#1F479F #371F9F #771F9F

triadic

#371F9F #9F371F #1F9F37

tetradic

#371F9F #9F1F47 #879F1F #1F9F77

square

#371F9F #9F1F47 #879F1F #1F9F77

split-complementary

#371F9F #9F771F #479F1F

monochromatic

#140B39 #25156C #371F9F #4929D2 #735ADF

Accessibility & contrast

On white

11.30

#371F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#371F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371F9F

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371F9F	#FFFFFF	#000000	##FFFFFF
##371F9F	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA3

Deuteranopia (green-blind)

#00369D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #371f9f;
/* rgb */ color: rgb(55, 31, 159);
/* oklch */ color: oklch(37.1% 0.189 280.4);

Tailwind

colors: {
  custom: {
    50: '#7d5fbd',
    500: '#371f9f',
    950: '#000000',
  },
}

SCSS

$custom: #371f9f;
$custom-light: #7d5fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#371f9f",
  "rgb": {
    "r": 55,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 251.25,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.37123,
    "c": 0.18947,
    "h": 280.4
  },
  "luminance": 0.04295
}

Semantic roles & 50–950 ramp

primary

#371F9F

secondary

#AFC357

accent

#EA3ECA

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371F9F

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

Preview Lab → · Contrast checker → · Palette generator →