#371B9F#371B9F

#371B9F is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.193 H 280.9°. Best body text is #FFFFFF at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#371B9F
RGB	rgb(55, 27, 159)
HSL	hsl(253, 71%, 36%)
HSV	hsv(253, 83%, 62%)
CMYK	cmyk(65.4%, 83%, 0%, 37.6%)
CIE-LAB	lab(24.00, 48.75, -65.59)
CIE-LCH	lch(24.00, 81.73, 306.62°)
OKLab	oklab(36.69% 0.0364 -0.1893)
OKLCH	oklch(36.69% 0.193 280.9)
XYZ	xyz(8.2235, 4.0987, 33.1519)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B9F #839F1B

analogous

#1B419F #371B9F #791B9F

triadic

#371B9F #9F371B #1B9F37

tetradic

#371B9F #9F1B41 #839F1B #1B9F79

square

#371B9F #9F1B41 #839F1B #1B9F79

split-complementary

#371B9F #9F791B #419F1B

monochromatic

#130936 #25126B #371B9F #4924D3 #7153E2

Accessibility & contrast

On white

11.54

#371B9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#371B9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B9F

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B9F	#FFFFFF	#000000	##FFFFFF
##371B9F	1.00	11.54	1.82	11.54
#FFFFFF	11.54	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA3

Deuteranopia (green-blind)

#00349D

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #371b9f;
/* rgb */ color: rgb(55, 27, 159);
/* oklch */ color: oklch(36.7% 0.193 280.9);

Tailwind

colors: {
  custom: {
    50: '#7d5dbd',
    500: '#371b9f',
    950: '#000000',
  },
}

SCSS

$custom: #371b9f;
$custom-light: #7d5dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#371b9f",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 159
  },
  "hsl": {
    "h": 252.727,
    "s": 70.968,
    "l": 36.471
  },
  "oklch": {
    "l": 0.36689,
    "c": 0.19277,
    "h": 280.9
  },
  "luminance": 0.04099
}

Semantic roles & 50–950 ramp

primary

#371B9F

secondary

#ACC551

accent

#EE3AC8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371B9F

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

Preview Lab → · Contrast checker → · Palette generator →