#3564CF#3564CF

#3564CF is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.174 H 263.7°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3564CF
RGB	rgb(53, 100, 207)
HSL	hsl(222, 62%, 51%)
HSV	hsv(222, 74%, 81%)
CMYK	cmyk(74.4%, 51.7%, 0%, 18.8%)
CIE-LAB	lab(44.77, 21.35, -60.00)
CIE-LCH	lch(44.77, 63.69, 289.59°)
OKLab	oklab(53.13% -0.0191 -0.1727)
OKLCH	oklch(53.13% 0.174 263.7)
XYZ	xyz(17.2839, 14.3743, 60.8830)
Luminance	0.1438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564CF #CFA035

analogous

#35B1CF #3564CF #5335CF

triadic

#3564CF #CF3564 #64CF35

tetradic

#3564CF #CF35B1 #CFA035 #35CF53

square

#3564CF #CF35B1 #CFA035 #35CF53

split-complementary

#3564CF #CF5335 #B1CF35

monochromatic

#1A346F #264CA1 #3564CF #668ADB #98B0E7

Accessibility & contrast

On white

5.42

#3564CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3564CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564CF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564CF	#FFFFFF	#000000	##FFFFFF
##3564CF	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C71D3

Deuteranopia (green-blind)

#0063CD

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3564cf;
/* rgb */ color: rgb(53, 100, 207);
/* oklch */ color: oklch(53.1% 0.174 263.7);

Tailwind

colors: {
  custom: {
    50: '#818fde',
    500: '#3564cf',
    950: '#000000',
  },
}

SCSS

$custom: #3564cf;
$custom-light: #818fde;
$custom-dark: #000000;

JSON

{
  "hex": "#3564cf",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 207
  },
  "hsl": {
    "h": 221.688,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53131,
    "c": 0.17373,
    "h": 263.7
  },
  "luminance": 0.14376
}

Semantic roles & 50–950 ramp

primary

#3564CF

secondary

#D2BD8E

accent

#B343E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3564CF

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

Preview Lab → · Contrast checker → · Palette generator →