#3720A9#3720A9

#3720A9 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.3% C 0.200 H 278.9°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#3720A9
RGB	rgb(55, 32, 169)
HSL	hsl(250, 68%, 39%)
HSV	hsv(250, 81%, 66%)
CMYK	cmyk(67.5%, 81.1%, 0%, 33.7%)
CIE-LAB	lab(25.89, 49.44, -68.53)
CIE-LCH	lch(25.89, 84.50, 305.81°)
OKLab	oklab(38.33% 0.0308 -0.1979)
OKLCH	oklch(38.33% 0.2 278.9)
XYZ	xyz(9.2512, 4.7090, 37.9498)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3720A9 #92A920

analogous

#204EA9 #3720A9 #7C20A9

triadic

#3720A9 #A93720 #20A937

tetradic

#3720A9 #A9204E #92A920 #20A97C

square

#3720A9 #A9204E #92A920 #20A97C

split-complementary

#3720A9 #A97C20 #4EA920

monochromatic

#160D42 #261676 #3720A9 #4B2FD8 #7762E1

Accessibility & contrast

On white

10.81

#3720A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3720A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3720A9

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3720A9	#FFFFFF	#000000	##FFFFFF
##3720A9	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042AD

Deuteranopia (green-blind)

#0038A7

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3720a9;
/* rgb */ color: rgb(55, 32, 169);
/* oklch */ color: oklch(38.3% 0.200 278.9);

Tailwind

colors: {
  custom: {
    50: '#7f60c4',
    500: '#3720a9',
    950: '#000000',
  },
}

SCSS

$custom: #3720a9;
$custom-light: #7f60c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3720a9",
  "rgb": {
    "r": 55,
    "g": 32,
    "b": 169
  },
  "hsl": {
    "h": 250.073,
    "s": 68.159,
    "l": 39.412
  },
  "oklch": {
    "l": 0.38327,
    "c": 0.2003,
    "h": 278.9
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#3720A9

secondary

#B5C65F

accent

#EB3DCE

background

#F8F5FC

surface

#F0EAF8

border

#CBC6D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3720A9

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

Preview Lab → · Contrast checker → · Palette generator →