#3746BC#3746BC

#3746BC is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.9% C 0.184 H 271.4°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#3746BC
RGB	rgb(55, 70, 188)
HSL	hsl(233, 55%, 48%)
HSV	hsv(233, 71%, 74%)
CMYK	cmyk(70.7%, 62.8%, 0%, 26.3%)
CIE-LAB	lab(35.64, 33.97, -63.81)
CIE-LCH	lch(35.64, 72.28, 298.03°)
OKLab	oklab(45.87% 0.0046 -0.1842)
OKLCH	oklch(45.87% 0.184 271.4)
XYZ	xyz(12.8397, 8.8221, 48.5934)
Luminance	0.0882 (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

#3746BC #BCAD37

analogous

#3789BC #3746BC #6A37BC

triadic

#3746BC #BC3746 #46BC37

tetradic

#3746BC #BC3789 #BCAD37 #37BC6A

square

#3746BC #BC3789 #BCAD37 #37BC6A

split-complementary

#3746BC #BC6A37 #89BC37

monochromatic

#1B235D #29348D #3746BC #606CD0 #8F98DE

Accessibility & contrast

On white

7.60

#3746BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#3746BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3746BC

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3746BC	#FFFFFF	#000000	##FFFFFF
##3746BC	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC0

Deuteranopia (green-blind)

#004EBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3746bc;
/* rgb */ color: rgb(55, 70, 188);
/* oklch */ color: oklch(45.9% 0.184 271.4);

Tailwind

colors: {
  custom: {
    50: '#8079d1',
    500: '#3746bc',
    950: '#000000',
  },
}

SCSS

$custom: #3746bc;
$custom-light: #8079d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3746bc",
  "rgb": {
    "r": 55,
    "g": 70,
    "b": 188
  },
  "hsl": {
    "h": 233.233,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.45867,
    "c": 0.18429,
    "h": 271.4
  },
  "luminance": 0.08823
}

Semantic roles & 50–950 ramp

primary

#3746BC

secondary

#C9C186

accent

#CD4ADE

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3746BC

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

Preview Lab → · Contrast checker → · Palette generator →