#3566C0#3566C0

#3566C0 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.151 H 261.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3566C0
RGB	rgb(53, 102, 192)
HSL	hsl(219, 57%, 48%)
HSV	hsv(219, 72%, 75%)
CMYK	cmyk(72.4%, 46.9%, 0%, 24.7%)
CIE-LAB	lab(44.32, 14.50, -52.07)
CIE-LCH	lch(44.32, 54.05, 285.56°)
OKLab	oklab(52.48% -0.0227 -0.1493)
OKLCH	oklch(52.48% 0.151 261.3)
XYZ	xyz(15.7306, 14.0637, 51.7445)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C0 #C08F35

analogous

#35ABC0 #3566C0 #4935C0

triadic

#3566C0 #C03566 #66C035

tetradic

#3566C0 #C035AB #C08F35 #35C049

square

#3566C0 #C035AB #C08F35 #35C049

split-complementary

#3566C0 #C04935 #ABC035

monochromatic

#1B3360 #284D90 #3566C0 #5F88D3 #8FACE0

Accessibility & contrast

On white

5.51

#3566C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3566C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C0

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C0	#FFFFFF	#000000	##FFFFFF
##3566C0	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3670C3

Deuteranopia (green-blind)

#1563BE

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3566c0;
/* rgb */ color: rgb(53, 102, 192);
/* oklch */ color: oklch(52.5% 0.151 261.3);

Tailwind

colors: {
  custom: {
    50: '#7e91d3',
    500: '#3566c0',
    950: '#000000',
  },
}

SCSS

$custom: #3566c0;
$custom-light: #7e91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c0",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 192
  },
  "hsl": {
    "h": 218.849,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.52477,
    "c": 0.15101,
    "h": 261.3
  },
  "luminance": 0.14065
}

Semantic roles & 50–950 ramp

primary

#3566C0

secondary

#CBB386

accent

#AA48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3566C0

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

Preview Lab → · Contrast checker → · Palette generator →