#3566C6#3566C6

#3566C6 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.9% C 0.159 H 262.1°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3566C6
RGB	rgb(53, 102, 198)
HSL	hsl(220, 58%, 49%)
HSV	hsv(220, 73%, 78%)
CMYK	cmyk(73.2%, 48.5%, 0%, 22.4%)
CIE-LAB	lab(44.71, 16.73, -54.91)
CIE-LCH	lch(44.71, 57.41, 286.94°)
OKLab	oklab(52.9% -0.0218 -0.1577)
OKLCH	oklch(52.9% 0.159 262.1)
XYZ	xyz(16.4090, 14.3351, 55.3173)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C6 #C69535

analogous

#35AFC6 #3566C6 #4D35C6

triadic

#3566C6 #C63566 #66C635

tetradic

#3566C6 #C635AF #C69535 #35C64D

square

#3566C6 #C635AF #C69535 #35C64D

split-complementary

#3566C6 #C64D35 #AFC635

monochromatic

#1B3465 #284D96 #3566C6 #638AD5 #93AEE2

Accessibility & contrast

On white

5.43

#3566C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3566C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C6

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C6	#FFFFFF	#000000	##FFFFFF
##3566C6	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3071CA

Deuteranopia (green-blind)

#0063C4

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3566c6;
/* rgb */ color: rgb(53, 102, 198);
/* oklch */ color: oklch(52.9% 0.159 262.1);

Tailwind

colors: {
  custom: {
    50: '#7f91d8',
    500: '#3566c6',
    950: '#000000',
  },
}

SCSS

$custom: #3566c6;
$custom-light: #7f91d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c6",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 198
  },
  "hsl": {
    "h": 219.724,
    "s": 57.769,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52896,
    "c": 0.15918,
    "h": 262.1
  },
  "luminance": 0.14337
}

Semantic roles & 50–950 ramp

primary

#3566C6

secondary

#CDB68A

accent

#AD47E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3566C6

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

Preview Lab → · Contrast checker → · Palette generator →