#371B9C#371B9C

#371B9C is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.4% C 0.189 H 281.4°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#371B9C
RGB	rgb(55, 27, 156)
HSL	hsl(253, 70%, 36%)
HSV	hsv(253, 83%, 61%)
CMYK	cmyk(64.7%, 82.7%, 0%, 38.8%)
CIE-LAB	lab(23.66, 47.88, -64.32)
CIE-LCH	lch(23.66, 80.18, 306.66°)
OKLab	oklab(36.36% 0.0374 -0.1856)
OKLCH	oklch(36.36% 0.189 281.4)
XYZ	xyz(7.9663, 3.9958, 31.7975)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371B9C #809C1B

analogous

#1B3F9C #371B9C #771B9C

triadic

#371B9C #9C371B #1B9C37

tetradic

#371B9C #9C1B3F #809C1B #1B9C77

square

#371B9C #9C1B3F #809C1B #1B9C77

split-complementary

#371B9C #9C771B #3F9C1B

monochromatic

#120934 #251268 #371B9C #4924D0 #7051E1

Accessibility & contrast

On white

11.67

#371B9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#371B9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371B9C

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371B9C	#FFFFFF	#000000	##FFFFFF
##371B9C	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D9F

Deuteranopia (green-blind)

#00349A

Tritanopia (blue-blind)

#00435D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #371b9c;
/* rgb */ color: rgb(55, 27, 156);
/* oklch */ color: oklch(36.4% 0.189 281.4);

Tailwind

colors: {
  custom: {
    50: '#7c5dbb',
    500: '#371b9c',
    950: '#000000',
  },
}

SCSS

$custom: #371b9c;
$custom-light: #7c5dbb;
$custom-dark: #000000;

JSON

{
  "hex": "#371b9c",
  "rgb": {
    "r": 55,
    "g": 27,
    "b": 156
  },
  "hsl": {
    "h": 253.023,
    "s": 70.492,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36357,
    "c": 0.18932,
    "h": 281.4
  },
  "luminance": 0.03996
}

Semantic roles & 50–950 ramp

primary

#371B9C

secondary

#AAC34F

accent

#ED3BC6

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #371B9C

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

Preview Lab → · Contrast checker → · Palette generator →