#3566C3#3566C3

#3566C3 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.155 H 261.7°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3566C3
RGB	rgb(53, 102, 195)
HSL	hsl(219, 57%, 49%)
HSV	hsv(219, 73%, 76%)
CMYK	cmyk(72.8%, 47.7%, 0%, 23.5%)
CIE-LAB	lab(44.52, 15.62, -53.50)
CIE-LCH	lch(44.52, 55.73, 286.27°)
OKLab	oklab(52.69% -0.0223 -0.1535)
OKLCH	oklch(52.69% 0.155 261.7)
XYZ	xyz(16.0664, 14.1980, 53.5129)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C3 #C39235

analogous

#35ADC3 #3566C3 #4B35C3

triadic

#3566C3 #C33566 #66C335

tetradic

#3566C3 #C335AD #C39235 #35C34B

square

#3566C3 #C335AD #C39235 #35C34B

split-complementary

#3566C3 #C34B35 #ADC335

monochromatic

#1B3463 #284D93 #3566C3 #6189D4 #91ADE1

Accessibility & contrast

On white

5.47

#3566C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3566C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C3	#FFFFFF	#000000	##FFFFFF
##3566C3	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3370C6

Deuteranopia (green-blind)

#0A63C1

Tritanopia (blue-blind)

#007C8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3566c3;
/* rgb */ color: rgb(53, 102, 195);
/* oklch */ color: oklch(52.7% 0.155 261.7);

Tailwind

colors: {
  custom: {
    50: '#7e91d6',
    500: '#3566c3',
    950: '#000000',
  },
}

SCSS

$custom: #3566c3;
$custom-light: #7e91d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c3",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 195
  },
  "hsl": {
    "h": 219.296,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52685,
    "c": 0.1551,
    "h": 261.7
  },
  "luminance": 0.142
}

Semantic roles & 50–950 ramp

primary

#3566C3

secondary

#CCB488

accent

#AC47E1

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3566C3

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

Preview Lab → · Contrast checker → · Palette generator →