#3563C6#3563C6

#3563C6 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.163 H 263.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#3563C6
RGB	rgb(53, 99, 198)
HSL	hsl(221, 58%, 49%)
HSV	hsv(221, 73%, 78%)
CMYK	cmyk(73.2%, 50%, 0%, 22.4%)
CIE-LAB	lab(43.88, 18.66, -56.25)
CIE-LCH	lch(43.88, 59.26, 288.35°)
OKLab	oklab(52.26% -0.0193 -0.1617)
OKLCH	oklch(52.26% 0.163 263.2)
XYZ	xyz(16.1195, 13.7560, 55.2208)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563C6 #C69835

analogous

#35ABC6 #3563C6 #5035C6

triadic

#3563C6 #C63563 #63C635

tetradic

#3563C6 #C635AB #C69835 #35C650

square

#3563C6 #C635AB #C69835 #35C650

split-complementary

#3563C6 #C65035 #ABC635

monochromatic

#1B3365 #284B96 #3563C6 #6387D5 #93ACE2

Accessibility & contrast

On white

5.60

#3563C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3563C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563C6

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563C6	#FFFFFF	#000000	##FFFFFF
##3563C6	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286FCA

Deuteranopia (green-blind)

#0061C4

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3563c6;
/* rgb */ color: rgb(53, 99, 198);
/* oklch */ color: oklch(52.3% 0.163 263.2);

Tailwind

colors: {
  custom: {
    50: '#7f8ed8',
    500: '#3563c6',
    950: '#000000',
  },
}

SCSS

$custom: #3563c6;
$custom-light: #7f8ed8;
$custom-dark: #000000;

JSON

{
  "hex": "#3563c6",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 198
  },
  "hsl": {
    "h": 220.966,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52263,
    "c": 0.16281,
    "h": 263.2
  },
  "luminance": 0.13758
}

Semantic roles & 50–950 ramp

primary

#3563C6

secondary

#CDB88A

accent

#B047E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3563C6

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

Preview Lab → · Contrast checker → · Palette generator →