#3563C7#3563C7

#3563C7 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.164 H 263.3°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#3563C7
RGB	rgb(53, 99, 199)
HSL	hsl(221, 58%, 49%)
HSV	hsv(221, 73%, 78%)
CMYK	cmyk(73.4%, 50.3%, 0%, 22%)
CIE-LAB	lab(43.95, 19.03, -56.72)
CIE-LCH	lch(43.95, 59.83, 288.54°)
OKLab	oklab(52.34% -0.0192 -0.163)
OKLCH	oklch(52.34% 0.164 263.3)
XYZ	xyz(16.2352, 13.8023, 55.8302)
Luminance	0.1380 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563C7 #C79935

analogous

#35ACC7 #3563C7 #5035C7

triadic

#3563C7 #C73563 #63C735

tetradic

#3563C7 #C735AC #C79935 #35C750

square

#3563C7 #C735AC #C79935 #35C750

split-complementary

#3563C7 #C75035 #ACC735

monochromatic

#1B3366 #284B97 #3563C7 #6488D6 #94ADE2

Accessibility & contrast

On white

5.58

#3563C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3563C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563C7

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563C7	#FFFFFF	#000000	##FFFFFF
##3563C7	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#266FCB

Deuteranopia (green-blind)

#0062C5

Tritanopia (blue-blind)

#007B8B

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3563c7;
/* rgb */ color: rgb(53, 99, 199);
/* oklch */ color: oklch(52.3% 0.164 263.3);

Tailwind

colors: {
  custom: {
    50: '#7f8ed9',
    500: '#3563c7',
    950: '#000000',
  },
}

SCSS

$custom: #3563c7;
$custom-light: #7f8ed9;
$custom-dark: #000000;

JSON

{
  "hex": "#3563c7",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 199
  },
  "hsl": {
    "h": 221.096,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52336,
    "c": 0.16417,
    "h": 263.3
  },
  "luminance": 0.13804
}

Semantic roles & 50–950 ramp

primary

#3563C7

secondary

#CEB88A

accent

#B047E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3563C7

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

Preview Lab → · Contrast checker → · Palette generator →