#3719AB#3719AB

#3719AB is a dark, highly saturated violet. Relative luminance 0.044; OKLCH L 37.8% C 0.208 H 279.2°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#3719AB
RGB	rgb(55, 25, 171)
HSL	hsl(252, 74%, 38%)
HSV	hsv(252, 85%, 67%)
CMYK	cmyk(67.8%, 85.4%, 0%, 32.9%)
CIE-LAB	lab(25.10, 53.02, -71.04)
CIE-LCH	lch(25.10, 88.65, 306.73°)
OKLab	oklab(37.85% 0.0332 -0.2051)
OKLCH	oklch(37.85% 0.208 279.2)
XYZ	xyz(9.2715, 4.4470, 38.8899)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3719AB #8DAB19

analogous

#1944AB #3719AB #8019AB

triadic

#3719AB #AB3719 #19AB37

tetradic

#3719AB #AB1944 #8DAB19 #19AB80

square

#3719AB #AB1944 #8DAB19 #19AB80

split-complementary

#3719AB #AB8019 #44AB19

monochromatic

#150940 #261176 #3719AB #4922DF #7558E7

Accessibility & contrast

On white

11.11

#3719AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#3719AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3719AB

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3719AB	#FFFFFF	#000000	##FFFFFF
##3719AB	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AF

Deuteranopia (green-blind)

#0036A9

Tritanopia (blue-blind)

#004965

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #3719ab;
/* rgb */ color: rgb(55, 25, 171);
/* oklch */ color: oklch(37.8% 0.208 279.2);

Tailwind

colors: {
  custom: {
    50: '#805dc5',
    500: '#3719ab',
    950: '#000000',
  },
}

SCSS

$custom: #3719ab;
$custom-light: #805dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3719ab",
  "rgb": {
    "r": 55,
    "g": 25,
    "b": 171
  },
  "hsl": {
    "h": 252.329,
    "s": 74.49,
    "l": 38.431
  },
  "oklch": {
    "l": 0.37849,
    "c": 0.20778,
    "h": 279.2
  },
  "luminance": 0.04448
}

Semantic roles & 50–950 ramp

primary

#3719AB

secondary

#B2CA56

accent

#F137CB

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0513

muted

#7D7982

Preview Lab

Preview with #3719AB

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

Preview Lab → · Contrast checker → · Palette generator →