#3566C8#3566C8

#3566C8 is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.0% C 0.162 H 262.3°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3566C8
RGB	rgb(53, 102, 200)
HSL	hsl(220, 58%, 50%)
HSV	hsv(220, 74%, 78%)
CMYK	cmyk(73.5%, 49%, 0%, 21.6%)
CIE-LAB	lab(44.84, 17.47, -55.86)
CIE-LCH	lch(44.84, 58.53, 287.37°)
OKLab	oklab(53.04% -0.0216 -0.1604)
OKLCH	oklch(53.04% 0.162 262.3)
XYZ	xyz(16.6412, 14.4279, 56.5402)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C8 #C89735

analogous

#35B0C8 #3566C8 #4E35C8

triadic

#3566C8 #C83566 #66C835

tetradic

#3566C8 #C835B0 #C89735 #35C84E

square

#3566C8 #C835B0 #C89735 #35C84E

split-complementary

#3566C8 #C84E35 #B0C835

monochromatic

#1B3567 #284D98 #3566C8 #648AD6 #95AFE3

Accessibility & contrast

On white

5.40

#3566C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3566C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C8

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C8	#FFFFFF	#000000	##FFFFFF
##3566C8	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E71CC

Deuteranopia (green-blind)

#0064C6

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3566c8;
/* rgb */ color: rgb(53, 102, 200);
/* oklch */ color: oklch(53.0% 0.162 262.3);

Tailwind

colors: {
  custom: {
    50: '#7f91d9',
    500: '#3566c8',
    950: '#000000',
  },
}

SCSS

$custom: #3566c8;
$custom-light: #7f91d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c8",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 200
  },
  "hsl": {
    "h": 220,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.53038,
    "c": 0.16188,
    "h": 262.3
  },
  "luminance": 0.1443
}

Semantic roles & 50–950 ramp

primary

#3566C8

secondary

#CEB88B

accent

#AE46E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3566C8

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

Preview Lab → · Contrast checker → · Palette generator →