#3720A3#3720A3

#3720A3 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.193 H 279.7°. Best body text is #FFFFFF at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#3720A3
RGB	rgb(55, 32, 163)
HSL	hsl(251, 67%, 38%)
HSV	hsv(251, 80%, 64%)
CMYK	cmyk(66.3%, 80.4%, 0%, 36.1%)
CIE-LAB	lab(25.23, 47.64, -65.99)
CIE-LCH	lch(25.23, 81.39, 305.83°)
OKLab	oklab(37.67% 0.0326 -0.1905)
OKLCH	oklch(37.67% 0.193 279.7)
XYZ	xyz(8.7008, 4.4889, 35.0512)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3720A3 #8CA320

analogous

#204BA3 #3720A3 #7820A3

triadic

#3720A3 #A33720 #20A337

tetradic

#3720A3 #A3204B #8CA320 #20A378

square

#3720A3 #A3204B #8CA320 #20A378

split-complementary

#3720A3 #A37820 #4BA320

monochromatic

#140C3D #261670 #3720A3 #492BD5 #755EDF

Accessibility & contrast

On white

11.06

#3720A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3720A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720A3

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3720A3	#FFFFFF	#000000	##FFFFFF
##3720A3	1.00	11.06	1.90	11.06
#FFFFFF	11.06	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A7

Deuteranopia (green-blind)

#0037A1

Tritanopia (blue-blind)

#004862

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3720a3;
/* rgb */ color: rgb(55, 32, 163);
/* oklch */ color: oklch(37.7% 0.193 279.7);

Tailwind

colors: {
  custom: {
    50: '#7d60c0',
    500: '#3720a3',
    950: '#000000',
  },
}

SCSS

$custom: #3720a3;
$custom-light: #7d60c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3720a3",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 163
  },
  "hsl": {
    "h": 250.534,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.37672,
    "c": 0.1933,
    "h": 279.7
  },
  "luminance": 0.0449
}

Semantic roles & 50–950 ramp

primary

#3720A3

secondary

#B1C45B

accent

#EA3ECC

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3720A3

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

Preview Lab → · Contrast checker → · Palette generator →