#3745C1#3745C1

#3745C1 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 46.1% C 0.192 H 271.5°. Best body text is #FFFFFF at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#3745C1
RGB	rgb(55, 69, 193)
HSL	hsl(234, 56%, 49%)
HSV	hsv(234, 72%, 76%)
CMYK	cmyk(71.5%, 64.2%, 0%, 24.3%)
CIE-LAB	lab(35.82, 36.37, -66.44)
CIE-LCH	lch(35.82, 75.74, 298.70°)
OKLab	oklab(46.14% 0.005 -0.1919)
OKLCH	oklch(46.14% 0.192 271.5)
XYZ	xyz(13.3260, 8.9174, 51.4607)
Luminance	0.0892 (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

#3745C1 #C1B337

analogous

#378AC1 #3745C1 #6E37C1

triadic

#3745C1 #C13745 #45C137

tetradic

#3745C1 #C1378A #C1B337 #37C16E

square

#3745C1 #C1378A #C1B337 #37C16E

split-complementary

#3745C1 #C16E37 #8AC137

monochromatic

#1C2362 #293491 #3745C1 #636ED2 #929AE0

Accessibility & contrast

On white

7.54

#3745C1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3745C1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3745C1

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3745C1	#FFFFFF	#000000	##FFFFFF
##3745C1	1.00	7.54	2.78	7.54
#FFFFFF	7.54	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC5

Deuteranopia (green-blind)

#004EBF

Tritanopia (blue-blind)

#00657D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3745c1;
/* rgb */ color: rgb(55, 69, 193);
/* oklch */ color: oklch(46.1% 0.192 271.5);

Tailwind

colors: {
  custom: {
    50: '#8179d5',
    500: '#3745c1',
    950: '#000000',
  },
}

SCSS

$custom: #3745c1;
$custom-light: #8179d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3745c1",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 193
  },
  "hsl": {
    "h": 233.913,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46135,
    "c": 0.192,
    "h": 271.5
  },
  "luminance": 0.08919
}

Semantic roles & 50–950 ramp

primary

#3745C1

secondary

#CBC489

accent

#D049DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3745C1

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

Preview Lab → · Contrast checker → · Palette generator →