#3763C2#3763C2

#3763C2 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.1% C 0.157 H 263.3°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3763C2
RGB	rgb(55, 99, 194)
HSL	hsl(221, 56%, 49%)
HSV	hsv(221, 72%, 76%)
CMYK	cmyk(71.6%, 49%, 0%, 23.9%)
CIE-LAB	lab(43.70, 17.44, -54.23)
CIE-LCH	lch(43.70, 56.97, 287.83°)
OKLab	oklab(52.06% -0.0183 -0.1557)
OKLCH	oklch(52.06% 0.157 263.3)
XYZ	xyz(15.7715, 13.6293, 52.8280)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763C2 #C29637

analogous

#37A9C2 #3763C2 #5137C2

triadic

#3763C2 #C23763 #63C237

tetradic

#3763C2 #C237A9 #C29637 #37C251

square

#3763C2 #C237A9 #C29637 #37C251

split-complementary

#3763C2 #C25137 #A9C237

monochromatic

#1C3263 #294B92 #3763C2 #6387D3 #93ACE0

Accessibility & contrast

On white

5.64

#3763C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3763C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763C2

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763C2	#FFFFFF	#000000	##FFFFFF
##3763C2	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6EC5

Deuteranopia (green-blind)

#0061C0

Tritanopia (blue-blind)

#007989

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3763c2;
/* rgb */ color: rgb(55, 99, 194);
/* oklch */ color: oklch(52.1% 0.157 263.3);

Tailwind

colors: {
  custom: {
    50: '#7f8ed5',
    500: '#3763c2',
    950: '#000000',
  },
}

SCSS

$custom: #3763c2;
$custom-light: #7f8ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#3763c2",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 194
  },
  "hsl": {
    "h": 221.007,
    "s": 55.823,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5206,
    "c": 0.15675,
    "h": 263.3
  },
  "luminance": 0.13631
}

Semantic roles & 50–950 ramp

primary

#3763C2

secondary

#CBB789

accent

#B049DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3763C2

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

Preview Lab → · Contrast checker → · Palette generator →