#3940CD#3940CD

#3940CD is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.5% C 0.212 H 272.5°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#3940CD
RGB	rgb(57, 64, 205)
HSL	hsl(237, 60%, 51%)
HSV	hsv(237, 72%, 80%)
CMYK	cmyk(72.2%, 68.8%, 0%, 19.6%)
CIE-LAB	lab(35.87, 43.79, -73.34)
CIE-LCH	lch(35.87, 85.42, 300.84°)
OKLab	oklab(46.53% 0.0092 -0.2121)
OKLCH	oklch(46.53% 0.212 272.5)
XYZ	xyz(14.5365, 8.9430, 58.7058)
Luminance	0.0894 (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

#3940CD #CDC639

analogous

#398ACD #3940CD #7C39CD

triadic

#3940CD #CD3940 #40CD39

tetradic

#3940CD #CD398A #CDC639 #39CD7C

square

#3940CD #CD398A #CDC639 #39CD7C

split-complementary

#3940CD #CD7C39 #8ACD39

monochromatic

#1C206F #282EA0 #3940CD #6A6FD9 #9B9EE6

Accessibility & contrast

On white

7.53

#3940CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3940CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3940CD

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3940CD	#FFFFFF	#000000	##FFFFFF
##3940CD	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD1

Deuteranopia (green-blind)

#004DCA

Tritanopia (blue-blind)

#006781

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3940cd;
/* rgb */ color: rgb(57, 64, 205);
/* oklch */ color: oklch(46.5% 0.212 272.5);

Tailwind

colors: {
  custom: {
    50: '#8575dd',
    500: '#3940cd',
    950: '#000000',
  },
}

SCSS

$custom: #3940cd;
$custom-light: #8575dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3940cd",
  "rgb": {
    "r": 57,
    "g": 64,
    "b": 205
  },
  "hsl": {
    "h": 237.162,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.4653,
    "c": 0.21232,
    "h": 272.5
  },
  "luminance": 0.08944
}

Semantic roles & 50–950 ramp

primary

#3940CD

secondary

#D2CE90

accent

#DB45E3

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3940CD

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

Preview Lab → · Contrast checker → · Palette generator →