#3746BD#3746BD

#3746BD is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.0% C 0.186 H 271.4°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3746BD
RGB	rgb(55, 70, 189)
HSL	hsl(233, 55%, 48%)
HSV	hsv(233, 71%, 74%)
CMYK	cmyk(70.9%, 63%, 0%, 25.9%)
CIE-LAB	lab(35.72, 34.32, -64.26)
CIE-LCH	lch(35.72, 72.85, 298.11°)
OKLab	oklab(45.96% 0.0045 -0.1855)
OKLCH	oklch(45.96% 0.186 271.4)
XYZ	xyz(12.9479, 8.8654, 49.1631)
Luminance	0.0887 (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

#3746BD #BDAE37

analogous

#3789BD #3746BD #6B37BD

triadic

#3746BD #BD3746 #46BD37

tetradic

#3746BD #BD3789 #BDAE37 #37BD6B

square

#3746BD #BD3789 #BDAE37 #37BD6B

split-complementary

#3746BD #BD6B37 #89BD37

monochromatic

#1B235E #29348E #3746BD #606DD1 #9099DF

Accessibility & contrast

On white

7.57

#3746BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#3746BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746BD

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746BD	#FFFFFF	#000000	##FFFFFF
##3746BD	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC1

Deuteranopia (green-blind)

#004EBB

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3746bd;
/* rgb */ color: rgb(55, 70, 189);
/* oklch */ color: oklch(46.0% 0.186 271.4);

Tailwind

colors: {
  custom: {
    50: '#8079d2',
    500: '#3746bd',
    950: '#000000',
  },
}

SCSS

$custom: #3746bd;
$custom-light: #8079d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3746bd",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 189
  },
  "hsl": {
    "h": 233.284,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.45955,
    "c": 0.1856,
    "h": 271.4
  },
  "luminance": 0.08867
}

Semantic roles & 50–950 ramp

primary

#3746BD

secondary

#C9C286

accent

#CE4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3746BD

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

Preview Lab → · Contrast checker → · Palette generator →