#3563AF#3563AF

#3563AF is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.131 H 259.9°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#3563AF
RGB	rgb(53, 99, 175)
HSL	hsl(217, 54%, 45%)
HSV	hsv(217, 70%, 69%)
CMYK	cmyk(69.7%, 43.4%, 0%, 31.4%)
CIE-LAB	lab(42.42, 10.12, -45.20)
CIE-LCH	lch(42.42, 46.32, 282.62°)
OKLab	oklab(50.67% -0.023 -0.1292)
OKLCH	oklch(50.67% 0.131 259.9)
XYZ	xyz(13.6651, 12.7743, 42.2946)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563AF #AF8135

analogous

#35A0AF #3563AF #4435AF

triadic

#3563AF #AF3563 #63AF35

tetradic

#3563AF #AF35A0 #AF8135 #35AF44

square

#3563AF #AF35A0 #AF8135 #35AF44

split-complementary

#3563AF #AF4435 #A0AF35

monochromatic

#192E51 #274880 #3563AF #5682CC #85A5DA

Accessibility & contrast

On white

5.91

#3563AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3563AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563AF

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563AF	#FFFFFF	#000000	##FFFFFF
##3563AF	1.00	5.91	3.56	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6AB2

Deuteranopia (green-blind)

#2A5FAD

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3563af;
/* rgb */ color: rgb(53, 99, 175);
/* oklch */ color: oklch(50.7% 0.131 259.9);

Tailwind

colors: {
  custom: {
    50: '#7b8ec7',
    500: '#3563af',
    950: '#000000',
  },
}

SCSS

$custom: #3563af;
$custom-light: #7b8ec7;
$custom-dark: #000000;

JSON

{
  "hex": "#3563af",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 175
  },
  "hsl": {
    "h": 217.377,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.50673,
    "c": 0.1312,
    "h": 259.9
  },
  "luminance": 0.12776
}

Semantic roles & 50–950 ramp

primary

#3563AF

secondary

#C4A97C

accent

#A64BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3563AF

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

Preview Lab → · Contrast checker → · Palette generator →