#3563AC#3563AC

#3563AC is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.5% C 0.127 H 259.3°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3563AC
RGB	rgb(53, 99, 172)
HSL	hsl(217, 53%, 44%)
HSV	hsv(217, 69%, 67%)
CMYK	cmyk(69.2%, 42.4%, 0%, 32.5%)
CIE-LAB	lab(42.24, 9.01, -43.72)
CIE-LCH	lch(42.24, 44.64, 281.65°)
OKLab	oklab(50.48% -0.0236 -0.1248)
OKLCH	oklch(50.48% 0.127 259.3)
XYZ	xyz(13.3738, 12.6578, 40.7601)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563AC #AC7E35

analogous

#359FAC #3563AC #4335AC

triadic

#3563AC #AC3563 #63AC35

tetradic

#3563AC #AC359F #AC7E35 #35AC43

square

#3563AC #AC359F #AC7E35 #35AC43

split-complementary

#3563AC #AC4335 #9FAC35

monochromatic

#182D4E #27487D #3563AC #5482CA #83A4D9

Accessibility & contrast

On white

5.95

#3563AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#3563AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563AC

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563AC	#FFFFFF	#000000	##FFFFFF
##3563AC	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#416AAF

Deuteranopia (green-blind)

#2D5FAB

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3563ac;
/* rgb */ color: rgb(53, 99, 172);
/* oklch */ color: oklch(50.5% 0.127 259.3);

Tailwind

colors: {
  custom: {
    50: '#7a8ec5',
    500: '#3563ac',
    950: '#000000',
  },
}

SCSS

$custom: #3563ac;
$custom-light: #7a8ec5;
$custom-dark: #000000;

JSON

{
  "hex": "#3563ac",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 172
  },
  "hsl": {
    "h": 216.807,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50478,
    "c": 0.12703,
    "h": 259.3
  },
  "luminance": 0.12659
}

Semantic roles & 50–950 ramp

primary

#3563AC

secondary

#C2A77B

accent

#A44CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3563AC

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

Preview Lab → · Contrast checker → · Palette generator →