#3947C4#3947C4

#3947C4 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.9% C 0.193 H 271.6°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#3947C4
RGB	rgb(57, 71, 196)
HSL	hsl(234, 55%, 50%)
HSV	hsv(234, 71%, 77%)
CMYK	cmyk(70.9%, 63.8%, 0%, 23.1%)
CIE-LAB	lab(36.67, 36.41, -66.80)
CIE-LCH	lch(36.67, 76.08, 298.59°)
OKLab	oklab(46.86% 0.0056 -0.193)
OKLCH	oklch(46.86% 0.193 271.6)
XYZ	xyz(13.9010, 9.3605, 53.2880)
Luminance	0.0936 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3947C4 #C4B639

analogous

#398DC4 #3947C4 #7139C4

triadic

#3947C4 #C43947 #47C439

tetradic

#3947C4 #C4398D #C4B639 #39C471

square

#3947C4 #C4398D #C4B639 #39C471

split-complementary

#3947C4 #C47139 #8DC439

monochromatic

#1D2565 #2B3695 #3947C4 #6772D3 #979EE1

Accessibility & contrast

On white

7.31

#3947C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#3947C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3947C4

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3947C4	#FFFFFF	#000000	##FFFFFF
##3947C4	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DC8

Deuteranopia (green-blind)

#0050C2

Tritanopia (blue-blind)

#00677F

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3947c4;
/* rgb */ color: rgb(57, 71, 196);
/* oklch */ color: oklch(46.9% 0.193 271.6);

Tailwind

colors: {
  custom: {
    50: '#827ad7',
    500: '#3947c4',
    950: '#000000',
  },
}

SCSS

$custom: #3947c4;
$custom-light: #827ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3947c4",
  "rgb": {
    "r": 57,
    "g": 71,
    "b": 196
  },
  "hsl": {
    "h": 233.957,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.46863,
    "c": 0.19304,
    "h": 271.6
  },
  "luminance": 0.09362
}

Semantic roles & 50–950 ramp

primary

#3947C4

secondary

#CCC68D

accent

#CF4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3947C4

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

Preview Lab → · Contrast checker → · Palette generator →