#3946BF#3946BF

#3946BF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.2% C 0.188 H 272.0°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#3946BF
RGB	rgb(57, 70, 191)
HSL	hsl(234, 54%, 49%)
HSV	hsv(234, 70%, 75%)
CMYK	cmyk(70.2%, 63.4%, 0%, 25.1%)
CIE-LAB	lab(36.00, 35.28, -64.97)
CIE-LCH	lch(36.00, 73.93, 298.51°)
OKLab	oklab(46.24% 0.0065 -0.1876)
OKLCH	oklch(46.24% 0.188 272)
XYZ	xyz(13.2783, 9.0105, 50.3195)
Luminance	0.0901 (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

#3946BF #BFB239

analogous

#3989BF #3946BF #6F39BF

triadic

#3946BF #BF3946 #46BF39

tetradic

#3946BF #BF3989 #BFB239 #39BF6F

square

#3946BF #BF3989 #BFB239 #39BF6F

split-complementary

#3946BF #BF6F39 #89BF39

monochromatic

#1D2361 #2B3590 #3946BF #646FD1 #939BDF

Accessibility & contrast

On white

7.49

#3946BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3946BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3946BF

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3946BF	#FFFFFF	#000000	##FFFFFF
##3946BF	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004FBD

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3946bf;
/* rgb */ color: rgb(57, 70, 191);
/* oklch */ color: oklch(46.2% 0.188 272.0);

Tailwind

colors: {
  custom: {
    50: '#8179d3',
    500: '#3946bf',
    950: '#000000',
  },
}

SCSS

$custom: #3946bf;
$custom-light: #8179d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3946bf",
  "rgb": {
    "r": 57,
    "g": 70,
    "b": 191
  },
  "hsl": {
    "h": 234.179,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46244,
    "c": 0.18769,
    "h": 272
  },
  "luminance": 0.09012
}

Semantic roles & 50–950 ramp

primary

#3946BF

secondary

#CAC48A

accent

#CF4ADD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3946BF

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

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