#3563AA#3563AA

#3563AA is a mid, vivid blue. Relative luminance 0.126; OKLCH L 50.3% C 0.124 H 258.8°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#3563AA
RGB	rgb(53, 99, 170)
HSL	hsl(216, 52%, 44%)
HSV	hsv(216, 69%, 67%)
CMYK	cmyk(68.8%, 41.8%, 0%, 33.3%)
CIE-LAB	lab(42.13, 8.28, -42.73)
CIE-LCH	lch(42.13, 43.53, 280.96°)
OKLab	oklab(50.35% -0.024 -0.1219)
OKLCH	oklch(50.35% 0.124 258.8)
XYZ	xyz(13.1831, 12.5815, 39.7561)
Luminance	0.1258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563AA #AA7C35

analogous

#359DAA #3563AA #4135AA

triadic

#3563AA #AA3563 #63AA35

tetradic

#3563AA #AA359D #AA7C35 #35AA41

square

#3563AA #AA359D #AA7C35 #35AA41

split-complementary

#3563AA #AA4135 #9DAA35

monochromatic

#182D4D #26487B #3563AA #5381C9 #82A3D8

Accessibility & contrast

On white

5.97

#3563AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#3563AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563AA

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563AA	#FFFFFF	#000000	##FFFFFF
##3563AA	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4269AD

Deuteranopia (green-blind)

#2F5EA9

Tritanopia (blue-blind)

#00737E

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3563aa;
/* rgb */ color: rgb(53, 99, 170);
/* oklch */ color: oklch(50.3% 0.124 258.8);

Tailwind

colors: {
  custom: {
    50: '#7a8ec4',
    500: '#3563aa',
    950: '#000000',
  },
}

SCSS

$custom: #3563aa;
$custom-light: #7a8ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#3563aa",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 170
  },
  "hsl": {
    "h": 216.41,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50349,
    "c": 0.12425,
    "h": 258.8
  },
  "luminance": 0.12583
}

Semantic roles & 50–950 ramp

primary

#3563AA

secondary

#C1A57A

accent

#A34CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3563AA

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

Preview Lab → · Contrast checker → · Palette generator →