#3721A2#3721A2

#3721A2 is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.191 H 279.7°. Best body text is #FFFFFF at 11.04:1 contrast (WCAG AA passes).

Color values

HEX	#3721A2
RGB	rgb(55, 33, 162)
HSL	hsl(250, 66%, 38%)
HSV	hsv(250, 80%, 64%)
CMYK	cmyk(66%, 79.6%, 0%, 36.5%)
CIE-LAB	lab(25.28, 46.86, -65.29)
CIE-LCH	lch(25.28, 80.36, 305.67°)
OKLab	oklab(37.68% 0.0324 -0.1885)
OKLCH	oklch(37.68% 0.191 279.7)
XYZ	xyz(8.6389, 4.5079, 34.5903)
Luminance	0.0451 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3721A2 #8CA221

analogous

#214BA2 #3721A2 #7821A2

triadic

#3721A2 #A23721 #21A237

tetradic

#3721A2 #A2214B #8CA221 #21A278

square

#3721A2 #A2214B #8CA221 #21A278

split-complementary

#3721A2 #A27821 #4BA221

monochromatic

#140C3C #26176F #3721A2 #492CD4 #755FDE

Accessibility & contrast

On white

11.04

#3721A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#3721A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3721A2

11.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3721A2	#FFFFFF	#000000	##FFFFFF
##3721A2	1.00	11.04	1.90	11.04
#FFFFFF	11.04	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A6

Deuteranopia (green-blind)

#0037A0

Tritanopia (blue-blind)

#004861

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3721a2;
/* rgb */ color: rgb(55, 33, 162);
/* oklch */ color: oklch(37.7% 0.191 279.7);

Tailwind

colors: {
  custom: {
    50: '#7d60bf',
    500: '#3721a2',
    950: '#000000',
  },
}

SCSS

$custom: #3721a2;
$custom-light: #7d60bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3721a2",
  "rgb": {
    "r": 55,
    "g": 33,
    "b": 162
  },
  "hsl": {
    "h": 250.233,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.3768,
    "c": 0.19126,
    "h": 279.7
  },
  "luminance": 0.04509
}

Semantic roles & 50–950 ramp

primary

#3721A2

secondary

#B1C35C

accent

#E93FCC

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3721A2

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

Preview Lab → · Contrast checker → · Palette generator →