#3564CD#3564CD

#3564CD is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.171 H 263.5°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3564CD
RGB	rgb(53, 100, 205)
HSL	hsl(221, 60%, 51%)
HSV	hsv(221, 74%, 80%)
CMYK	cmyk(74.1%, 51.2%, 0%, 19.6%)
CIE-LAB	lab(44.63, 20.61, -59.08)
CIE-LCH	lch(44.63, 62.57, 289.23°)
OKLab	oklab(52.98% -0.0193 -0.1699)
OKLCH	oklch(52.98% 0.171 263.5)
XYZ	xyz(17.0409, 14.2771, 59.6034)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564CD #CD9E35

analogous

#35B0CD #3564CD #5235CD

triadic

#3564CD #CD3564 #64CD35

tetradic

#3564CD #CD35B0 #CD9E35 #35CD52

square

#3564CD #CD35B0 #CD9E35 #35CD52

split-complementary

#3564CD #CD5235 #B0CD35

monochromatic

#1B346D #274C9E #3564CD #668AD9 #97AFE5

Accessibility & contrast

On white

5.45

#3564CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3564CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564CD

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564CD	#FFFFFF	#000000	##FFFFFF
##3564CD	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2071D1

Deuteranopia (green-blind)

#0063CB

Tritanopia (blue-blind)

#007D8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3564cd;
/* rgb */ color: rgb(53, 100, 205);
/* oklch */ color: oklch(53.0% 0.171 263.5);

Tailwind

colors: {
  custom: {
    50: '#818fdd',
    500: '#3564cd',
    950: '#000000',
  },
}

SCSS

$custom: #3564cd;
$custom-light: #818fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#3564cd",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 205
  },
  "hsl": {
    "h": 221.447,
    "s": 60.317,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52983,
    "c": 0.17105,
    "h": 263.5
  },
  "luminance": 0.14279
}

Semantic roles & 50–950 ramp

primary

#3564CD

secondary

#D1BC8D

accent

#B244E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3564CD

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

Preview Lab → · Contrast checker → · Palette generator →