#3566BE#3566BE

#3566BE is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.148 H 261.0°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3566BE
RGB	rgb(53, 102, 190)
HSL	hsl(219, 56%, 48%)
HSV	hsv(219, 72%, 75%)
CMYK	cmyk(72.1%, 46.3%, 0%, 25.5%)
CIE-LAB	lab(44.20, 13.76, -51.11)
CIE-LCH	lch(44.20, 52.93, 285.07°)
OKLab	oklab(52.34% -0.0231 -0.1465)
OKLCH	oklch(52.34% 0.148 261)
XYZ	xyz(15.5105, 13.9757, 50.5854)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566BE #BE8D35

analogous

#35ABBE #3566BE #4835BE

triadic

#3566BE #BE3566 #66BE35

tetradic

#3566BE #BE35AB #BE8D35 #35BE48

square

#3566BE #BE35AB #BE8D35 #35BE48

split-complementary

#3566BE #BE4835 #ABBE35

monochromatic

#1A335E #284C8E #3566BE #5E88D2 #8EABDF

Accessibility & contrast

On white

5.53

#3566BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3566BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566BE

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566BE	#FFFFFF	#000000	##FFFFFF
##3566BE	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386FC1

Deuteranopia (green-blind)

#1A63BC

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3566be;
/* rgb */ color: rgb(53, 102, 190);
/* oklch */ color: oklch(52.3% 0.148 261.0);

Tailwind

colors: {
  custom: {
    50: '#7d91d2',
    500: '#3566be',
    950: '#000000',
  },
}

SCSS

$custom: #3566be;
$custom-light: #7d91d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3566be",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 190
  },
  "hsl": {
    "h": 218.54,
    "s": 56.379,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5234,
    "c": 0.14829,
    "h": 261
  },
  "luminance": 0.13977
}

Semantic roles & 50–950 ramp

primary

#3566BE

secondary

#CAB185

accent

#A948E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3566BE

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

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