#3563C3#3563C3

#3563C3 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.159 H 262.9°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3563C3
RGB	rgb(53, 99, 195)
HSL	hsl(221, 57%, 49%)
HSV	hsv(221, 73%, 76%)
CMYK	cmyk(72.8%, 49.2%, 0%, 23.5%)
CIE-LAB	lab(43.68, 17.54, -54.84)
CIE-LCH	lch(43.68, 57.58, 287.74°)
OKLab	oklab(52.05% -0.0197 -0.1575)
OKLCH	oklch(52.05% 0.159 262.9)
XYZ	xyz(15.7769, 13.6190, 53.4164)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563C3 #C39535

analogous

#35AAC3 #3563C3 #4E35C3

triadic

#3563C3 #C33563 #63C335

tetradic

#3563C3 #C335AA #C39535 #35C34E

square

#3563C3 #C335AA #C39535 #35C34E

split-complementary

#3563C3 #C34E35 #AAC335

monochromatic

#1B3263 #284B93 #3563C3 #6186D4 #91ABE1

Accessibility & contrast

On white

5.64

#3563C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3563C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563C3

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563C3	#FFFFFF	#000000	##FFFFFF
##3563C3	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C6EC7

Deuteranopia (green-blind)

#0061C1

Tritanopia (blue-blind)

#007A8A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3563c3;
/* rgb */ color: rgb(53, 99, 195);
/* oklch */ color: oklch(52.0% 0.159 262.9);

Tailwind

colors: {
  custom: {
    50: '#7f8ed6',
    500: '#3563c3',
    950: '#000000',
  },
}

SCSS

$custom: #3563c3;
$custom-light: #7f8ed6;
$custom-dark: #000000;

JSON

{
  "hex": "#3563c3",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 195
  },
  "hsl": {
    "h": 220.563,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52047,
    "c": 0.15873,
    "h": 262.9
  },
  "luminance": 0.13621
}

Semantic roles & 50–950 ramp

primary

#3563C3

secondary

#CCB688

accent

#AF47E1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3563C3

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

Preview Lab → · Contrast checker → · Palette generator →