#3566CA#3566CA

#3566CA is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.2% C 0.165 H 262.6°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3566CA
RGB	rgb(53, 102, 202)
HSL	hsl(220, 58%, 50%)
HSV	hsv(220, 74%, 79%)
CMYK	cmyk(73.8%, 49.5%, 0%, 20.8%)
CIE-LAB	lab(44.97, 18.22, -56.80)
CIE-LCH	lch(44.97, 59.65, 287.78°)
OKLab	oklab(53.18% -0.0213 -0.1632)
OKLCH	oklch(53.18% 0.165 262.6)
XYZ	xyz(16.8764, 14.5220, 57.7793)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566CA #CA9935

analogous

#35B1CA #3566CA #4E35CA

triadic

#3566CA #CA3566 #66CA35

tetradic

#3566CA #CA35B1 #CA9935 #35CA4E

square

#3566CA #CA35B1 #CA9935 #35CA4E

split-complementary

#3566CA #CA4E35 #B1CA35

monochromatic

#1C3569 #284E9A #3566CA #658BD7 #96AFE3

Accessibility & contrast

On white

5.38

#3566CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3566CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566CA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566CA	#FFFFFF	#000000	##FFFFFF
##3566CA	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B72CE

Deuteranopia (green-blind)

#0064C8

Tritanopia (blue-blind)

#007E8E

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3566ca;
/* rgb */ color: rgb(53, 102, 202);
/* oklch */ color: oklch(53.2% 0.165 262.6);

Tailwind

colors: {
  custom: {
    50: '#8091db',
    500: '#3566ca',
    950: '#000000',
  },
}

SCSS

$custom: #3566ca;
$custom-light: #8091db;
$custom-dark: #000000;

JSON

{
  "hex": "#3566ca",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 202
  },
  "hsl": {
    "h": 220.268,
    "s": 58.431,
    "l": 50
  },
  "oklch": {
    "l": 0.53181,
    "c": 0.16458,
    "h": 262.6
  },
  "luminance": 0.14524
}

Semantic roles & 50–950 ramp

primary

#3566CA

secondary

#CFB98C

accent

#AF46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3566CA

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

Preview Lab → · Contrast checker → · Palette generator →