#3720A0#3720A0

#3720A0 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.190 H 280.2°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#3720A0
RGB	rgb(55, 32, 160)
HSL	hsl(251, 67%, 38%)
HSV	hsv(251, 80%, 63%)
CMYK	cmyk(65.6%, 80%, 0%, 37.3%)
CIE-LAB	lab(24.90, 46.74, -64.71)
CIE-LCH	lch(24.90, 79.82, 305.84°)
OKLab	oklab(37.35% 0.0335 -0.1868)
OKLCH	oklch(37.35% 0.19 280.2)
XYZ	xyz(8.4352, 4.3826, 33.6523)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3720A0 #89A020

analogous

#2049A0 #3720A0 #7720A0

triadic

#3720A0 #A03720 #20A037

tetradic

#3720A0 #A02049 #89A020 #20A077

square

#3720A0 #A02049 #89A020 #20A077

split-complementary

#3720A0 #A07720 #49A020

monochromatic

#140C3A #25166D #3720A0 #492AD3 #735CDE

Accessibility & contrast

On white

11.19

#3720A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#3720A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720A0

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3720A0	#FFFFFF	#000000	##FFFFFF
##3720A0	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A4

Deuteranopia (green-blind)

#00369E

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #3720a0;
/* rgb */ color: rgb(55, 32, 160);
/* oklch */ color: oklch(37.3% 0.190 280.2);

Tailwind

colors: {
  custom: {
    50: '#7d60bd',
    500: '#3720a0',
    950: '#000000',
  },
}

SCSS

$custom: #3720a0;
$custom-light: #7d60bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3720a0",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 160
  },
  "hsl": {
    "h": 250.781,
    "s": 66.667,
    "l": 37.647
  },
  "oklch": {
    "l": 0.37347,
    "c": 0.18978,
    "h": 280.2
  },
  "luminance": 0.04383
}

Semantic roles & 50–950 ramp

primary

#3720A0

secondary

#B0C359

accent

#EA3ECB

background

#F8F5FB

surface

#EFEAF7

border

#CAC6D0

text

#0B0512

muted

#7C7981

Preview Lab

Preview with #3720A0

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

Preview Lab → · Contrast checker → · Palette generator →