#3566C7#3566C7

#3566C7 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.161 H 262.2°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3566C7
RGB	rgb(53, 102, 199)
HSL	hsl(220, 58%, 49%)
HSV	hsv(220, 73%, 78%)
CMYK	cmyk(73.4%, 48.7%, 0%, 22%)
CIE-LAB	lab(44.77, 17.10, -55.39)
CIE-LCH	lch(44.77, 57.97, 287.16°)
OKLab	oklab(52.97% -0.0217 -0.1591)
OKLCH	oklch(52.97% 0.161 262.2)
XYZ	xyz(16.5247, 14.3813, 55.9267)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C7 #C79635

analogous

#35AFC7 #3566C7 #4D35C7

triadic

#3566C7 #C73566 #66C735

tetradic

#3566C7 #C735AF #C79635 #35C74D

square

#3566C7 #C735AF #C79635 #35C74D

split-complementary

#3566C7 #C74D35 #AFC735

monochromatic

#1B3466 #284D97 #3566C7 #648AD6 #94AEE2

Accessibility & contrast

On white

5.42

#3566C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3566C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C7

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C7	#FFFFFF	#000000	##FFFFFF
##3566C7	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F71CB

Deuteranopia (green-blind)

#0064C5

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3566c7;
/* rgb */ color: rgb(53, 102, 199);
/* oklch */ color: oklch(53.0% 0.161 262.2);

Tailwind

colors: {
  custom: {
    50: '#7f91d9',
    500: '#3566c7',
    950: '#000000',
  },
}

SCSS

$custom: #3566c7;
$custom-light: #7f91d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c7",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 199
  },
  "hsl": {
    "h": 219.863,
    "s": 57.937,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52967,
    "c": 0.16053,
    "h": 262.2
  },
  "luminance": 0.14383
}

Semantic roles & 50–950 ramp

primary

#3566C7

secondary

#CEB78A

accent

#AD47E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #3566C7

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

Preview Lab → · Contrast checker → · Palette generator →