#3563D0#3563D0

#3563D0 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 53.0% C 0.176 H 264.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3563D0
RGB	rgb(53, 99, 208)
HSL	hsl(222, 62%, 51%)
HSV	hsv(222, 75%, 82%)
CMYK	cmyk(74.5%, 52.4%, 0%, 18.4%)
CIE-LAB	lab(44.56, 22.37, -60.90)
CIE-LCH	lch(44.56, 64.88, 290.17°)
OKLab	oklab(53% -0.0182 -0.1753)
OKLCH	oklch(53% 0.176 264.1)
XYZ	xyz(17.3112, 14.2327, 61.4971)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563D0 #D0A235

analogous

#35B0D0 #3563D0 #5435D0

triadic

#3563D0 #D03563 #63D035

tetradic

#3563D0 #D035B0 #D0A235 #35D054

square

#3563D0 #D035B0 #D0A235 #35D054

split-complementary

#3563D0 #D05435 #B0D035

monochromatic

#1A3470 #264BA2 #3563D0 #6789DC #98B0E7

Accessibility & contrast

On white

5.46

#3563D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3563D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563D0

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563D0	#FFFFFF	#000000	##FFFFFF
##3563D0	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1571D4

Deuteranopia (green-blind)

#0063CE

Tritanopia (blue-blind)

#007D90

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3563d0;
/* rgb */ color: rgb(53, 99, 208);
/* oklch */ color: oklch(53.0% 0.176 264.1);

Tailwind

colors: {
  custom: {
    50: '#818edf',
    500: '#3563d0',
    950: '#000000',
  },
}

SCSS

$custom: #3563d0;
$custom-light: #818edf;
$custom-dark: #000000;

JSON

{
  "hex": "#3563d0",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 208
  },
  "hsl": {
    "h": 222.194,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53001,
    "c": 0.17628,
    "h": 264.1
  },
  "luminance": 0.14235
}

Semantic roles & 50–950 ramp

primary

#3563D0

secondary

#D3BE8E

accent

#B542E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3563D0

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

Preview Lab → · Contrast checker → · Palette generator →