#3563B7#3563B7

#3563B7 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.142 H 261.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3563B7
RGB	rgb(53, 99, 183)
HSL	hsl(219, 55%, 46%)
HSV	hsv(219, 71%, 72%)
CMYK	cmyk(71%, 45.9%, 0%, 28.2%)
CIE-LAB	lab(42.91, 13.08, -49.10)
CIE-LCH	lch(42.91, 50.82, 284.92°)
OKLab	oklab(51.21% -0.0215 -0.1406)
OKLCH	oklch(51.21% 0.142 261.3)
XYZ	xyz(14.4742, 13.0979, 46.5559)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563B7 #B78935

analogous

#35A4B7 #3563B7 #4835B7

triadic

#3563B7 #B73563 #63B735

tetradic

#3563B7 #B735A4 #B78935 #35B748

square

#3563B7 #B735A4 #B78935 #35B748

split-complementary

#3563B7 #B74835 #A4B735

monochromatic

#1A3058 #274988 #3563B7 #5A83CF #89A7DD

Accessibility & contrast

On white

5.80

#3563B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3563B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563B7

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563B7	#FFFFFF	#000000	##FFFFFF
##3563B7	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386CBA

Deuteranopia (green-blind)

#1D60B5

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3563b7;
/* rgb */ color: rgb(53, 99, 183);
/* oklch */ color: oklch(51.2% 0.142 261.3);

Tailwind

colors: {
  custom: {
    50: '#7c8ecd',
    500: '#3563b7',
    950: '#000000',
  },
}

SCSS

$custom: #3563b7;
$custom-light: #7c8ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#3563b7",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 183
  },
  "hsl": {
    "h": 218.769,
    "s": 55.085,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51208,
    "c": 0.14226,
    "h": 261.3
  },
  "luminance": 0.13099
}

Semantic roles & 50–950 ramp

primary

#3563B7

secondary

#C7AE81

accent

#AA49DE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3563B7

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

Preview Lab → · Contrast checker → · Palette generator →