#3719B3#3719B3

#3719B3 is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.8% C 0.217 H 278.1°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#3719B3
RGB	rgb(55, 25, 179)
HSL	hsl(252, 75%, 40%)
HSV	hsv(252, 86%, 70%)
CMYK	cmyk(69.3%, 86%, 0%, 29.8%)
CIE-LAB	lab(26.04, 55.27, -74.28)
CIE-LCH	lch(26.04, 92.58, 306.65°)
OKLab	oklab(38.77% 0.0304 -0.2145)
OKLCH	oklch(38.77% 0.217 278.1)
XYZ	xyz(10.0572, 4.7613, 43.0281)
Luminance	0.0476 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3719B3 #95B319

analogous

#1948B3 #3719B3 #8419B3

triadic

#3719B3 #B33719 #19B337

tetradic

#3719B3 #B31948 #95B319 #19B384

square

#3719B3 #B31948 #95B319 #19B384

split-complementary

#3719B3 #B38419 #48B319

monochromatic

#160A48 #26127D #3719B3 #4C28E1 #795EE8

Accessibility & contrast

On white

10.76

#3719B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3719B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3719B3

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3719B3	#FFFFFF	#000000	##FFFFFF
##3719B3	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0037B0

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3719b3;
/* rgb */ color: rgb(55, 25, 179);
/* oklch */ color: oklch(38.8% 0.217 278.1);

Tailwind

colors: {
  custom: {
    50: '#815ecb',
    500: '#3719b3',
    950: '#000000',
  },
}

SCSS

$custom: #3719b3;
$custom-light: #815ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#3719b3",
  "rgb": {
    "r": 55,
    "g": 25,
    "b": 179
  },
  "hsl": {
    "h": 251.688,
    "s": 75.49,
    "l": 40
  },
  "oklch": {
    "l": 0.38768,
    "c": 0.21664,
    "h": 278.1
  },
  "luminance": 0.04762
}

Semantic roles & 50–950 ramp

primary

#3719B3

secondary

#B6CC5B

accent

#F236CD

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3719B3

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

Preview Lab → · Contrast checker → · Palette generator →