#3763D4#3763D4

#3763D4 is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.4% C 0.181 H 264.8°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3763D4
RGB	rgb(55, 99, 212)
HSL	hsl(223, 65%, 52%)
HSV	hsv(223, 74%, 83%)
CMYK	cmyk(74.1%, 53.3%, 0%, 16.9%)
CIE-LAB	lab(44.92, 24.09, -62.60)
CIE-LCH	lch(44.92, 67.08, 291.04°)
OKLab	oklab(53.38% -0.0163 -0.1803)
OKLCH	oklch(53.38% 0.181 264.8)
XYZ	xyz(17.9169, 14.4874, 64.1267)
Luminance	0.1449 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763D4 #D4A837

analogous

#37B1D4 #3763D4 #5A37D4

triadic

#3763D4 #D43763 #63D437

tetradic

#3763D4 #D437B1 #D4A837 #37D45A

square

#3763D4 #D437B1 #D4A837 #37D45A

split-complementary

#3763D4 #D45A37 #B1D437

monochromatic

#1A3477 #244AA9 #3763D4 #698ADF #9CB2EA

Accessibility & contrast

On white

5.39

#3763D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3763D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763D4

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763D4	#FFFFFF	#000000	##FFFFFF
##3763D4	1.00	5.39	3.90	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0772D8

Deuteranopia (green-blind)

#0063D2

Tritanopia (blue-blind)

#007E92

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3763d4;
/* rgb */ color: rgb(55, 99, 212);
/* oklch */ color: oklch(53.4% 0.181 264.8);

Tailwind

colors: {
  custom: {
    50: '#838ee2',
    500: '#3763d4',
    950: '#000000',
  },
}

SCSS

$custom: #3763d4;
$custom-light: #838ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#3763d4",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 212
  },
  "hsl": {
    "h": 223.185,
    "s": 64.609,
    "l": 52.353
  },
  "oklch": {
    "l": 0.53384,
    "c": 0.18105,
    "h": 264.8
  },
  "luminance": 0.14489
}

Semantic roles & 50–950 ramp

primary

#3763D4

secondary

#D6C291

accent

#B940E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3763D4

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

Preview Lab → · Contrast checker → · Palette generator →