#3566C5#3566C5

#3566C5 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.8% C 0.158 H 262.0°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3566C5
RGB	rgb(53, 102, 197)
HSL	hsl(220, 58%, 49%)
HSV	hsv(220, 73%, 77%)
CMYK	cmyk(73.1%, 48.2%, 0%, 22.7%)
CIE-LAB	lab(44.64, 16.36, -54.44)
CIE-LCH	lch(44.64, 56.85, 286.72°)
OKLab	oklab(52.83% -0.022 -0.1563)
OKLCH	oklch(52.83% 0.158 262)
XYZ	xyz(16.2940, 14.2891, 54.7118)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C5 #C59435

analogous

#35AEC5 #3566C5 #4C35C5

triadic

#3566C5 #C53566 #66C535

tetradic

#3566C5 #C535AE #C59435 #35C54C

square

#3566C5 #C535AE #C59435 #35C54C

split-complementary

#3566C5 #C54C35 #AEC535

monochromatic

#1B3465 #284D95 #3566C5 #6289D5 #93AEE2

Accessibility & contrast

On white

5.44

#3566C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3566C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C5

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C5	#FFFFFF	#000000	##FFFFFF
##3566C5	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3171C9

Deuteranopia (green-blind)

#0063C3

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3566c5;
/* rgb */ color: rgb(53, 102, 197);
/* oklch */ color: oklch(52.8% 0.158 262.0);

Tailwind

colors: {
  custom: {
    50: '#7f91d7',
    500: '#3566c5',
    950: '#000000',
  },
}

SCSS

$custom: #3566c5;
$custom-light: #7f91d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c5",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 197
  },
  "hsl": {
    "h": 219.583,
    "s": 57.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52826,
    "c": 0.15782,
    "h": 262
  },
  "luminance": 0.14291
}

Semantic roles & 50–950 ramp

primary

#3566C5

secondary

#CDB689

accent

#AC47E1

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3566C5

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

Preview Lab → · Contrast checker → · Palette generator →