#3564CC#3564CC

#3564CC is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.9% C 0.170 H 263.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3564CC
RGB	rgb(53, 100, 204)
HSL	hsl(221, 60%, 50%)
HSV	hsv(221, 74%, 80%)
CMYK	cmyk(74%, 51%, 0%, 20%)
CIE-LAB	lab(44.56, 20.24, -58.61)
CIE-LCH	lch(44.56, 62.01, 289.05°)
OKLab	oklab(52.91% -0.0194 -0.1686)
OKLCH	oklch(52.91% 0.17 263.4)
XYZ	xyz(16.9206, 14.2290, 58.9697)
Luminance	0.1423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564CC #CC9D35

analogous

#35AFCC #3564CC #5235CC

triadic

#3564CC #CC3564 #64CC35

tetradic

#3564CC #CC35AF #CC9D35 #35CC52

square

#3564CC #CC35AF #CC9D35 #35CC52

split-complementary

#3564CC #CC5235 #AFCC35

monochromatic

#1B346B #274C9C #3564CC #6689D8 #97AFE5

Accessibility & contrast

On white

5.46

#3564CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3564CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564CC

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564CC	#FFFFFF	#000000	##FFFFFF
##3564CC	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2271D0

Deuteranopia (green-blind)

#0063CA

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3564cc;
/* rgb */ color: rgb(53, 100, 204);
/* oklch */ color: oklch(52.9% 0.170 263.4);

Tailwind

colors: {
  custom: {
    50: '#808fdc',
    500: '#3564cc',
    950: '#000000',
  },
}

SCSS

$custom: #3564cc;
$custom-light: #808fdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3564cc",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 204
  },
  "hsl": {
    "h": 221.325,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52909,
    "c": 0.1697,
    "h": 263.4
  },
  "luminance": 0.14231
}

Semantic roles & 50–950 ramp

primary

#3564CC

secondary

#D0BB8D

accent

#B245E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3564CC

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

Preview Lab → · Contrast checker → · Palette generator →