#3720A6#3720A6

#3720A6 is a dark, vivid violet. Relative luminance 0.046; OKLCH L 38.0% C 0.197 H 279.3°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#3720A6
RGB	rgb(55, 32, 166)
HSL	hsl(250, 68%, 39%)
HSV	hsv(250, 81%, 65%)
CMYK	cmyk(66.9%, 80.7%, 0%, 34.9%)
CIE-LAB	lab(25.56, 48.54, -67.26)
CIE-LCH	lch(25.56, 82.95, 305.82°)
OKLab	oklab(38% 0.0317 -0.1942)
OKLCH	oklch(38% 0.197 279.3)
XYZ	xyz(8.9728, 4.5977, 36.4836)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3720A6 #8FA620

analogous

#204CA6 #3720A6 #7A20A6

triadic

#3720A6 #A63720 #20A637

tetradic

#3720A6 #A6204C #8FA620 #20A67A

square

#3720A6 #A6204C #8FA620 #20A67A

split-complementary

#3720A6 #A67A20 #4CA620

monochromatic

#150C3F #261673 #3720A6 #4A2DD6 #7660E0

Accessibility & contrast

On white

10.94

#3720A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#3720A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720A6

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3720A6	#FFFFFF	#000000	##FFFFFF
##3720A6	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AA

Deuteranopia (green-blind)

#0037A4

Tritanopia (blue-blind)

#004963

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3720a6;
/* rgb */ color: rgb(55, 32, 166);
/* oklch */ color: oklch(38.0% 0.197 279.3);

Tailwind

colors: {
  custom: {
    50: '#7e60c2',
    500: '#3720a6',
    950: '#000000',
  },
}

SCSS

$custom: #3720a6;
$custom-light: #7e60c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3720a6",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 166
  },
  "hsl": {
    "h": 250.299,
    "s": 67.677,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37998,
    "c": 0.19682,
    "h": 279.3
  },
  "luminance": 0.04598
}

Semantic roles & 50–950 ramp

primary

#3720A6

secondary

#B3C55D

accent

#EB3DCD

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #3720A6

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

Preview Lab → · Contrast checker → · Palette generator →