#3745C4#3745C4

#3745C4 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.4% C 0.196 H 271.4°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#3745C4
RGB	rgb(55, 69, 196)
HSL	hsl(234, 56%, 49%)
HSV	hsv(234, 72%, 77%)
CMYK	cmyk(71.9%, 64.8%, 0%, 23.1%)
CIE-LAB	lab(36.09, 37.42, -67.76)
CIE-LCH	lch(36.09, 77.41, 298.91°)
OKLab	oklab(46.41% 0.0048 -0.1958)
OKLCH	oklch(46.41% 0.196 271.4)
XYZ	xyz(13.6641, 9.0526, 53.2411)
Luminance	0.0905 (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

#3745C4 #C4B637

analogous

#378BC4 #3745C4 #7037C4

triadic

#3745C4 #C43745 #45C437

tetradic

#3745C4 #C4378B #C4B637 #37C470

square

#3745C4 #C4378B #C4B637 #37C470

split-complementary

#3745C4 #C47037 #8BC437

monochromatic

#1C2364 #2A3494 #3745C4 #6570D4 #949CE1

Accessibility & contrast

On white

7.47

#3745C4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3745C4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3745C4

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3745C4	#FFFFFF	#000000	##FFFFFF
##3745C4	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC8

Deuteranopia (green-blind)

#004EC2

Tritanopia (blue-blind)

#00667E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3745c4;
/* rgb */ color: rgb(55, 69, 196);
/* oklch */ color: oklch(46.4% 0.196 271.4);

Tailwind

colors: {
  custom: {
    50: '#8179d7',
    500: '#3745c4',
    950: '#000000',
  },
}

SCSS

$custom: #3745c4;
$custom-light: #8179d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3745c4",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 196
  },
  "hsl": {
    "h": 234.043,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.46406,
    "c": 0.19589,
    "h": 271.4
  },
  "luminance": 0.09054
}

Semantic roles & 50–950 ramp

primary

#3745C4

secondary

#CCC68B

accent

#D048DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3745C4

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

Preview Lab → · Contrast checker → · Palette generator →