#371DA1#371DA1

#371DA1 is a dark, vivid violet. Relative luminance 0.043; OKLCH L 37.1% C 0.193 H 280.3°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#371DA1
RGB	rgb(55, 29, 161)
HSL	hsl(252, 69%, 37%)
HSV	hsv(252, 82%, 63%)
CMYK	cmyk(65.8%, 82%, 0%, 36.9%)
CIE-LAB	lab(24.52, 48.45, -65.94)
CIE-LCH	lch(24.52, 81.82, 306.31°)
OKLab	oklab(37.12% 0.0348 -0.1903)
OKLCH	oklch(37.12% 0.193 280.3)
XYZ	xyz(8.4459, 4.2635, 34.0892)
Luminance	0.0426 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#371DA1 #87A11D

analogous

#1D45A1 #371DA1 #791DA1

triadic

#371DA1 #A1371D #1DA137

tetradic

#371DA1 #A11D45 #87A11D #1DA179

square

#371DA1 #A11D45 #87A11D #1DA179

split-complementary

#371DA1 #A1791D #45A11D

monochromatic

#140A39 #25146D #371DA1 #4926D5 #7358E1

Accessibility & contrast

On white

11.33

#371DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#371DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #371DA1

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##371DA1	#FFFFFF	#000000	##FFFFFF
##371DA1	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #371da1;
/* rgb */ color: rgb(55, 29, 161);
/* oklch */ color: oklch(37.1% 0.193 280.3);

Tailwind

colors: {
  custom: {
    50: '#7d5ebe',
    500: '#371da1',
    950: '#000000',
  },
}

SCSS

$custom: #371da1;
$custom-light: #7d5ebe;
$custom-dark: #000000;

JSON

{
  "hex": "#371da1",
  "rgb": {
    "r": 55,
    "g": 29,
    "b": 161
  },
  "hsl": {
    "h": 251.818,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.3712,
    "c": 0.19348,
    "h": 280.3
  },
  "luminance": 0.04264
}

Semantic roles & 50–950 ramp

primary

#371DA1

secondary

#AFC455

accent

#EC3CC9

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #371DA1

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

Preview Lab → · Contrast checker → · Palette generator →