#3720A1#3720A1

#3720A1 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.5% C 0.191 H 280.0°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#3720A1
RGB	rgb(55, 32, 161)
HSL	hsl(251, 67%, 38%)
HSV	hsv(251, 80%, 63%)
CMYK	cmyk(65.8%, 80.1%, 0%, 36.9%)
CIE-LAB	lab(25.01, 47.04, -65.14)
CIE-LCH	lch(25.01, 80.35, 305.84°)
OKLab	oklab(37.46% 0.0332 -0.188)
OKLCH	oklch(37.46% 0.191 280)
XYZ	xyz(8.5230, 4.4178, 34.1149)
Luminance	0.0442 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3720A1 #8AA120

analogous

#2049A1 #3720A1 #7820A1

triadic

#3720A1 #A13720 #20A137

tetradic

#3720A1 #A12049 #8AA120 #20A178

square

#3720A1 #A12049 #8AA120 #20A178

split-complementary

#3720A1 #A17820 #49A120

monochromatic

#140C3B #26166E #3720A1 #482AD4 #745DDF

Accessibility & contrast

On white

11.15

#3720A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#3720A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720A1

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3720A1	#FFFFFF	#000000	##FFFFFF
##3720A1	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A5

Deuteranopia (green-blind)

#00369F

Tritanopia (blue-blind)

#004761

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3720a1;
/* rgb */ color: rgb(55, 32, 161);
/* oklch */ color: oklch(37.5% 0.191 280.0);

Tailwind

colors: {
  custom: {
    50: '#7d60be',
    500: '#3720a1',
    950: '#000000',
  },
}

SCSS

$custom: #3720a1;
$custom-light: #7d60be;
$custom-dark: #000000;

JSON

{
  "hex": "#3720a1",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 161
  },
  "hsl": {
    "h": 250.698,
    "s": 66.839,
    "l": 37.843
  },
  "oklch": {
    "l": 0.37455,
    "c": 0.19096,
    "h": 280
  },
  "luminance": 0.04418
}

Semantic roles & 50–950 ramp

primary

#3720A1

secondary

#B0C35A

accent

#EA3ECB

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3720A1

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

Preview Lab → · Contrast checker → · Palette generator →