#3756C2#3756C2

#3756C2 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.4% C 0.173 H 267.5°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#3756C2
RGB	rgb(55, 86, 194)
HSL	hsl(227, 56%, 49%)
HSV	hsv(227, 72%, 76%)
CMYK	cmyk(71.6%, 55.7%, 0%, 23.9%)
CIE-LAB	lab(40.18, 25.84, -59.91)
CIE-LCH	lch(40.18, 65.25, 293.33°)
OKLab	oklab(49.4% -0.0075 -0.1726)
OKLCH	oklch(49.4% 0.173 267.5)
XYZ	xyz(14.6376, 11.3613, 52.4500)
Luminance	0.1136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756C2 #C2A337

analogous

#379CC2 #3756C2 #5E37C2

triadic

#3756C2 #C23756 #56C237

tetradic

#3756C2 #C2379C #C2A337 #37C25E

square

#3756C2 #C2379C #C2A337 #37C25E

split-complementary

#3756C2 #C25E37 #9CC237

monochromatic

#1C2C63 #294192 #3756C2 #637CD3 #93A4E0

Accessibility & contrast

On white

6.42

#3756C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#3756C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756C2

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756C2	#FFFFFF	#000000	##FFFFFF
##3756C2	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C6

Deuteranopia (green-blind)

#0059C0

Tritanopia (blue-blind)

#007083

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3756c2;
/* rgb */ color: rgb(55, 86, 194);
/* oklch */ color: oklch(49.4% 0.173 267.5);

Tailwind

colors: {
  custom: {
    50: '#8085d5',
    500: '#3756c2',
    950: '#000000',
  },
}

SCSS

$custom: #3756c2;
$custom-light: #8085d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3756c2",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 194
  },
  "hsl": {
    "h": 226.619,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.49396,
    "c": 0.17277,
    "h": 267.5
  },
  "luminance": 0.11363
}

Semantic roles & 50–950 ramp

primary

#3756C2

secondary

#CBBD89

accent

#BE49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3756C2

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

Preview Lab → · Contrast checker → · Palette generator →