#3746BF#3746BF

#3746BF is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.1% C 0.188 H 271.3°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#3746BF
RGB	rgb(55, 70, 191)
HSL	hsl(233, 55%, 48%)
HSV	hsv(233, 71%, 75%)
CMYK	cmyk(71.2%, 63.4%, 0%, 25.1%)
CIE-LAB	lab(35.89, 35.03, -65.15)
CIE-LCH	lch(35.89, 73.97, 298.27°)
OKLab	oklab(46.13% 0.0044 -0.1882)
OKLCH	oklch(46.13% 0.188 271.3)
XYZ	xyz(13.1665, 8.9528, 50.3143)
Luminance	0.0895 (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

#3746BF #BFB037

analogous

#378ABF #3746BF #6C37BF

triadic

#3746BF #BF3746 #46BF37

tetradic

#3746BF #BF378A #BFB037 #37BF6C

square

#3746BF #BF378A #BFB037 #37BF6C

split-complementary

#3746BF #BF6C37 #8ABF37

monochromatic

#1C2360 #29358F #3746BF #626ED2 #919ADF

Accessibility & contrast

On white

7.52

#3746BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#3746BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746BF

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746BF	#FFFFFF	#000000	##FFFFFF
##3746BF	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00657C

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3746bf;
/* rgb */ color: rgb(55, 70, 191);
/* oklch */ color: oklch(46.1% 0.188 271.3);

Tailwind

colors: {
  custom: {
    50: '#8079d3',
    500: '#3746bf',
    950: '#000000',
  },
}

SCSS

$custom: #3746bf;
$custom-light: #8079d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3746bf",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 191
  },
  "hsl": {
    "h": 233.382,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.46132,
    "c": 0.18822,
    "h": 271.3
  },
  "luminance": 0.08954
}

Semantic roles & 50–950 ramp

primary

#3746BF

secondary

#CAC388

accent

#CE49DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3746BF

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

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