#3564BB#3564BB

#3564BB is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.7% C 0.147 H 261.5°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3564BB
RGB	rgb(53, 100, 187)
HSL	hsl(219, 56%, 47%)
HSV	hsv(219, 72%, 73%)
CMYK	cmyk(71.7%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(43.44, 13.93, -50.58)
CIE-LCH	lch(43.44, 52.46, 285.39°)
OKLab	oklab(51.7% -0.0218 -0.1449)
OKLCH	oklch(51.7% 0.147 261.5)
XYZ	xyz(14.9918, 13.4575, 48.8115)
Luminance	0.1346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564BB #BB8C35

analogous

#35A7BB #3564BB #4935BB

triadic

#3564BB #BB3564 #64BB35

tetradic

#3564BB #BB35A7 #BB8C35 #35BB49

square

#3564BB #BB35A7 #BB8C35 #35BB49

split-complementary

#3564BB #BB4935 #A7BB35

monochromatic

#1A315C #274B8B #3564BB #5C85D1 #8CA9DE

Accessibility & contrast

On white

5.69

#3564BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#3564BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564BB

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564BB	#FFFFFF	#000000	##FFFFFF
##3564BB	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376DBE

Deuteranopia (green-blind)

#1961B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3564bb;
/* rgb */ color: rgb(53, 100, 187);
/* oklch */ color: oklch(51.7% 0.147 261.5);

Tailwind

colors: {
  custom: {
    50: '#7d8fd0',
    500: '#3564bb',
    950: '#000000',
  },
}

SCSS

$custom: #3564bb;
$custom-light: #7d8fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3564bb",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 218.955,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.517,
    "c": 0.14657,
    "h": 261.5
  },
  "luminance": 0.13459
}

Semantic roles & 50–950 ramp

primary

#3564BB

secondary

#C9B083

accent

#AA49DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3564BB

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

Preview Lab → · Contrast checker → · Palette generator →