#3763C8#3763C8

#3763C8 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.5% C 0.165 H 263.9°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#3763C8
RGB	rgb(55, 99, 200)
HSL	hsl(222, 57%, 50%)
HSV	hsv(222, 73%, 78%)
CMYK	cmyk(72.5%, 50.5%, 0%, 21.6%)
CIE-LAB	lab(44.10, 19.66, -57.05)
CIE-LCH	lch(44.10, 60.35, 289.01°)
OKLab	oklab(52.49% -0.0175 -0.164)
OKLCH	oklch(52.49% 0.165 263.9)
XYZ	xyz(16.4590, 13.9043, 56.4488)
Luminance	0.1391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3763C8 #C89C37

analogous

#37ACC8 #3763C8 #5337C8

triadic

#3763C8 #C83763 #63C837

tetradic

#3763C8 #C837AC #C89C37 #37C853

square

#3763C8 #C837AC #C89C37 #37C853

split-complementary

#3763C8 #C85337 #ACC837

monochromatic

#1D3368 #2A4B98 #3763C8 #6788D5 #97AEE2

Accessibility & contrast

On white

5.55

#3763C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3763C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3763C8

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3763C8	#FFFFFF	#000000	##FFFFFF
##3763C8	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#256FCC

Deuteranopia (green-blind)

#0062C6

Tritanopia (blue-blind)

#007B8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3763c8;
/* rgb */ color: rgb(55, 99, 200);
/* oklch */ color: oklch(52.5% 0.165 263.9);

Tailwind

colors: {
  custom: {
    50: '#808ed9',
    500: '#3763c8',
    950: '#000000',
  },
}

SCSS

$custom: #3763c8;
$custom-light: #808ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3763c8",
  "rgb": {
    "r": 55,
    "g": 99,
    "b": 200
  },
  "hsl": {
    "h": 221.793,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.52491,
    "c": 0.16492,
    "h": 263.9
  },
  "luminance": 0.13906
}

Semantic roles & 50–950 ramp

primary

#3763C8

secondary

#CEBA8D

accent

#B248E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3763C8

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

Preview Lab → · Contrast checker → · Palette generator →