#3946B9#3946B9

#3946B9 is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.7% C 0.180 H 272.2°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#3946B9
RGB	rgb(57, 70, 185)
HSL	hsl(234, 53%, 47%)
HSV	hsv(234, 69%, 73%)
CMYK	cmyk(69.2%, 62.2%, 0%, 27.5%)
CIE-LAB	lab(35.50, 33.17, -62.26)
CIE-LCH	lch(35.50, 70.54, 298.04°)
OKLab	oklab(45.72% 0.0068 -0.1796)
OKLCH	oklch(45.72% 0.18 272.2)
XYZ	xyz(12.6315, 8.7518, 46.9131)
Luminance	0.0875 (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

#3946B9 #B9AC39

analogous

#3986B9 #3946B9 #6C39B9

triadic

#3946B9 #B93946 #46B939

tetradic

#3946B9 #B93986 #B9AC39 #39B96C

square

#3946B9 #B93986 #B9AC39 #39B96C

split-complementary

#3946B9 #B96C39 #86B939

monochromatic

#1C235B #2B348A #3946B9 #616CCE #9098DD

Accessibility & contrast

On white

7.63

#3946B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#3946B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3946B9

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3946B9	#FFFFFF	#000000	##FFFFFF
##3946B9	1.00	7.63	2.75	7.63
#FFFFFF	7.63	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059BD

Deuteranopia (green-blind)

#004EB7

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3946b9;
/* rgb */ color: rgb(57, 70, 185);
/* oklch */ color: oklch(45.7% 0.180 272.2);

Tailwind

colors: {
  custom: {
    50: '#8079cf',
    500: '#3946b9',
    950: '#000000',
  },
}

SCSS

$custom: #3946b9;
$custom-light: #8079cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3946b9",
  "rgb": {
    "r": 57,
    "g": 70,
    "b": 185
  },
  "hsl": {
    "h": 233.906,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.45718,
    "c": 0.17978,
    "h": 272.2
  },
  "luminance": 0.08753
}

Semantic roles & 50–950 ramp

primary

#3946B9

secondary

#C8C186

accent

#CE4BDC

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #3946B9

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

Preview Lab → · Contrast checker → · Palette generator →