#3763C7#3763C7

#3763C7 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.4% C 0.164 H 263.8°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3763C7
RGB	rgb(55, 99, 199)
HSL	hsl(222, 57%, 50%)
HSV	hsv(222, 72%, 78%)
CMYK	cmyk(72.4%, 50.3%, 0%, 22%)
CIE-LAB	lab(44.03, 19.29, -56.59)
CIE-LCH	lch(44.03, 59.78, 288.82°)
OKLab	oklab(52.42% -0.0176 -0.1626)
OKLCH	oklch(52.42% 0.164 263.8)
XYZ	xyz(16.3425, 13.8577, 55.8353)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763C7 #C79B37

analogous

#37ABC7 #3763C7 #5337C7

triadic

#3763C7 #C73763 #63C737

tetradic

#3763C7 #C737AB #C79B37 #37C753

square

#3763C7 #C737AB #C79B37 #37C753

split-complementary

#3763C7 #C75337 #ABC737

monochromatic

#1C3367 #2A4B97 #3763C7 #6688D5 #96ADE2

Accessibility & contrast

On white

5.57

#3763C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3763C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763C7

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763C7	#FFFFFF	#000000	##FFFFFF
##3763C7	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#276FCB

Deuteranopia (green-blind)

#0062C5

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3763c7;
/* rgb */ color: rgb(55, 99, 199);
/* oklch */ color: oklch(52.4% 0.164 263.8);

Tailwind

colors: {
  custom: {
    50: '#808ed9',
    500: '#3763c7',
    950: '#000000',
  },
}

SCSS

$custom: #3763c7;
$custom-light: #808ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3763c7",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 199
  },
  "hsl": {
    "h": 221.667,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52419,
    "c": 0.16357,
    "h": 263.8
  },
  "luminance": 0.13859
}

Semantic roles & 50–950 ramp

primary

#3763C7

secondary

#CDBA8C

accent

#B148E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3763C7

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

Preview Lab → · Contrast checker → · Palette generator →