#3745C5#3745C5

#3745C5 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 46.5% C 0.197 H 271.4°. Best body text is #FFFFFF at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#3745C5
RGB	rgb(55, 69, 197)
HSL	hsl(234, 56%, 49%)
HSV	hsv(234, 72%, 77%)
CMYK	cmyk(72.1%, 65%, 0%, 22.7%)
CIE-LAB	lab(36.17, 37.77, -68.20)
CIE-LCH	lch(36.17, 77.96, 298.98°)
OKLab	oklab(46.5% 0.0047 -0.1971)
OKLCH	oklch(46.5% 0.197 271.4)
XYZ	xyz(13.7783, 9.0983, 53.8425)
Luminance	0.0910 (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

#3745C5 #C5B737

analogous

#378CC5 #3745C5 #7037C5

triadic

#3745C5 #C53745 #45C537

tetradic

#3745C5 #C5378C #C5B737 #37C570

square

#3745C5 #C5378C #C5B737 #37C570

split-complementary

#3745C5 #C57037 #8CC537

monochromatic

#1C2365 #2A3495 #3745C5 #6570D4 #959DE1

Accessibility & contrast

On white

7.45

#3745C5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#3745C5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3745C5

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3745C5	#FFFFFF	#000000	##FFFFFF
##3745C5	1.00	7.45	2.82	7.45
#FFFFFF	7.45	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC9

Deuteranopia (green-blind)

#004FC3

Tritanopia (blue-blind)

#00677F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3745c5;
/* rgb */ color: rgb(55, 69, 197);
/* oklch */ color: oklch(46.5% 0.197 271.4);

Tailwind

colors: {
  custom: {
    50: '#8279d8',
    500: '#3745c5',
    950: '#000000',
  },
}

SCSS

$custom: #3745c5;
$custom-light: #8279d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3745c5",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 197
  },
  "hsl": {
    "h": 234.085,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.46497,
    "c": 0.19718,
    "h": 271.4
  },
  "luminance": 0.091
}

Semantic roles & 50–950 ramp

primary

#3745C5

secondary

#CDC68B

accent

#D148E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #3745C5

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

Preview Lab → · Contrast checker → · Palette generator →