#3563B2#3563B2

#3563B2 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.9% C 0.135 H 260.5°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3563B2
RGB	rgb(53, 99, 178)
HSL	hsl(218, 54%, 45%)
HSV	hsv(218, 70%, 70%)
CMYK	cmyk(70.2%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(42.60, 11.23, -46.67)
CIE-LCH	lch(42.60, 48.00, 283.53°)
OKLab	oklab(50.87% -0.0224 -0.1335)
OKLCH	oklch(50.87% 0.135 260.5)
XYZ	xyz(13.9630, 12.8935, 43.8637)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3563B2 #B28435

analogous

#35A1B2 #3563B2 #4535B2

triadic

#3563B2 #B23563 #63B235

tetradic

#3563B2 #B235A1 #B28435 #35B245

square

#3563B2 #B235A1 #B28435 #35B245

split-complementary

#3563B2 #B24535 #A1B235

monochromatic

#192F54 #274983 #3563B2 #5783CD #86A6DB

Accessibility & contrast

On white

5.87

#3563B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3563B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3563B2

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3563B2	#FFFFFF	#000000	##FFFFFF
##3563B2	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6BB5

Deuteranopia (green-blind)

#265FB0

Tritanopia (blue-blind)

#007582

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3563b2;
/* rgb */ color: rgb(53, 99, 178);
/* oklch */ color: oklch(50.9% 0.135 260.5);

Tailwind

colors: {
  custom: {
    50: '#7b8ec9',
    500: '#3563b2',
    950: '#000000',
  },
}

SCSS

$custom: #3563b2;
$custom-light: #7b8ec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3563b2",
  "rgb": {
    "r": 53,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 217.92,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50872,
    "c": 0.13535,
    "h": 260.5
  },
  "luminance": 0.12895
}

Semantic roles & 50–950 ramp

primary

#3563B2

secondary

#C5AB7E

accent

#A74ADD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3563B2

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

Preview Lab → · Contrast checker → · Palette generator →