#3563BA#3563BA

#3563BA is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.4% C 0.146 H 261.7°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3563BA
RGB	rgb(53, 99, 186)
HSL	hsl(219, 56%, 47%)
HSV	hsv(219, 72%, 73%)
CMYK	cmyk(71.5%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(43.10, 14.20, -50.55)
CIE-LCH	lch(43.10, 52.51, 285.69°)
OKLab	oklab(51.41% -0.021 -0.1449)
OKLCH	oklch(51.41% 0.146 261.7)
XYZ	xyz(14.7898, 13.2242, 48.2179)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563BA #BA8C35

analogous

#35A6BA #3563BA #4935BA

triadic

#3563BA #BA3563 #63BA35

tetradic

#3563BA #BA35A6 #BA8C35 #35BA49

square

#3563BA #BA35A6 #BA8C35 #35BA49

split-complementary

#3563BA #BA4935 #A6BA35

monochromatic

#1A305B #274A8A #3563BA #5C84D0 #8BA8DE

Accessibility & contrast

On white

5.76

#3563BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3563BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563BA

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563BA	#FFFFFF	#000000	##FFFFFF
##3563BA	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356CBD

Deuteranopia (green-blind)

#1760B8

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3563ba;
/* rgb */ color: rgb(53, 99, 186);
/* oklch */ color: oklch(51.4% 0.146 261.7);

Tailwind

colors: {
  custom: {
    50: '#7d8ecf',
    500: '#3563ba',
    950: '#000000',
  },
}

SCSS

$custom: #3563ba;
$custom-light: #7d8ecf;
$custom-dark: #000000;

JSON

{
  "hex": "#3563ba",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 219.248,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51414,
    "c": 0.1464,
    "h": 261.7
  },
  "luminance": 0.13226
}

Semantic roles & 50–950 ramp

primary

#3563BA

secondary

#C8B082

accent

#AB49DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3563BA

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

Preview Lab → · Contrast checker → · Palette generator →