#3745C3#3745C3

#3745C3 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 46.3% C 0.195 H 271.4°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#3745C3
RGB	rgb(55, 69, 195)
HSL	hsl(234, 56%, 49%)
HSV	hsv(234, 72%, 76%)
CMYK	cmyk(71.8%, 64.6%, 0%, 23.5%)
CIE-LAB	lab(36.00, 37.07, -67.32)
CIE-LCH	lch(36.00, 76.85, 298.84°)
OKLab	oklab(46.32% 0.0049 -0.1945)
OKLCH	oklch(46.32% 0.195 271.4)
XYZ	xyz(13.5507, 9.0072, 52.6436)
Luminance	0.0901 (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

#3745C3 #C3B537

analogous

#378BC3 #3745C3 #6F37C3

triadic

#3745C3 #C33745 #45C337

tetradic

#3745C3 #C3378B #C3B537 #37C36F

square

#3745C3 #C3378B #C3B537 #37C36F

split-complementary

#3745C3 #C36F37 #8BC337

monochromatic

#1C2364 #2A3493 #3745C3 #646FD3 #949BE1

Accessibility & contrast

On white

7.50

#3745C3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#3745C3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3745C3

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3745C3	#FFFFFF	#000000	##FFFFFF
##3745C3	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BC7

Deuteranopia (green-blind)

#004EC1

Tritanopia (blue-blind)

#00667E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3745c3;
/* rgb */ color: rgb(55, 69, 195);
/* oklch */ color: oklch(46.3% 0.195 271.4);

Tailwind

colors: {
  custom: {
    50: '#8179d6',
    500: '#3745c3',
    950: '#000000',
  },
}

SCSS

$custom: #3745c3;
$custom-light: #8179d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3745c3",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 195
  },
  "hsl": {
    "h": 234,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.46315,
    "c": 0.1946,
    "h": 271.4
  },
  "luminance": 0.09009
}

Semantic roles & 50–950 ramp

primary

#3745C3

secondary

#CCC58A

accent

#D049DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #3745C3

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

Preview Lab → · Contrast checker → · Palette generator →