#3719B4#3719B4

#3719B4 is a dark, highly saturated violet. Relative luminance 0.048; OKLCH L 38.9% C 0.218 H 277.9°. Best body text is #FFFFFF at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#3719B4
RGB	rgb(55, 25, 180)
HSL	hsl(252, 76%, 40%)
HSV	hsv(252, 86%, 71%)
CMYK	cmyk(69.4%, 86.1%, 0%, 29.4%)
CIE-LAB	lab(26.16, 55.55, -74.68)
CIE-LCH	lch(26.16, 93.07, 306.64°)
OKLab	oklab(38.88% 0.0301 -0.2157)
OKLCH	oklch(38.88% 0.218 277.9)
XYZ	xyz(10.1587, 4.8019, 43.5627)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3719B4 #96B419

analogous

#1948B4 #3719B4 #8519B4

triadic

#3719B4 #B43719 #19B437

tetradic

#3719B4 #B41948 #96B419 #19B485

square

#3719B4 #B41948 #96B419 #19B485

split-complementary

#3719B4 #B48519 #48B419

monochromatic

#160A49 #27127E #3719B4 #4D29E1 #795FE9

Accessibility & contrast

On white

10.71

#3719B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#3719B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3719B4

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3719B4	#FFFFFF	#000000	##FFFFFF
##3719B4	1.00	10.71	1.96	10.71
#FFFFFF	10.71	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B8

Deuteranopia (green-blind)

#0038B1

Tritanopia (blue-blind)

#004D6B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3719b4;
/* rgb */ color: rgb(55, 25, 180);
/* oklch */ color: oklch(38.9% 0.218 277.9);

Tailwind

colors: {
  custom: {
    50: '#825ecc',
    500: '#3719b4',
    950: '#000000',
  },
}

SCSS

$custom: #3719b4;
$custom-light: #825ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3719b4",
  "rgb": {
    "r": 55,
    "g": 25,
    "b": 180
  },
  "hsl": {
    "h": 251.613,
    "s": 75.61,
    "l": 40.196
  },
  "oklch": {
    "l": 0.38884,
    "c": 0.21774,
    "h": 277.9
  },
  "luminance": 0.04803
}

Semantic roles & 50–950 ramp

primary

#3719B4

secondary

#B7CD5C

accent

#F236CE

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3719B4

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

Preview Lab → · Contrast checker → · Palette generator →