#3564BD#3564BD

#3564BD is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.8% C 0.149 H 261.7°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3564BD
RGB	rgb(53, 100, 189)
HSL	hsl(219, 56%, 47%)
HSV	hsv(219, 72%, 74%)
CMYK	cmyk(72%, 47.1%, 0%, 25.9%)
CIE-LAB	lab(43.57, 14.67, -51.54)
CIE-LCH	lch(43.57, 53.58, 285.89°)
OKLab	oklab(51.84% -0.0215 -0.1478)
OKLCH	oklch(51.84% 0.149 261.7)
XYZ	xyz(15.2074, 13.5437, 49.9470)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564BD #BD8E35

analogous

#35A8BD #3564BD #4A35BD

triadic

#3564BD #BD3564 #64BD35

tetradic

#3564BD #BD35A8 #BD8E35 #35BD4A

square

#3564BD #BD35A8 #BD8E35 #35BD4A

split-complementary

#3564BD #BD4A35 #A8BD35

monochromatic

#1A315D #284B8D #3564BD #5D86D2 #8DAADF

Accessibility & contrast

On white

5.66

#3564BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3564BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564BD

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564BD	#FFFFFF	#000000	##FFFFFF
##3564BD	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356EC0

Deuteranopia (green-blind)

#1361BB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3564bd;
/* rgb */ color: rgb(53, 100, 189);
/* oklch */ color: oklch(51.8% 0.149 261.7);

Tailwind

colors: {
  custom: {
    50: '#7d8fd1',
    500: '#3564bd',
    950: '#000000',
  },
}

SCSS

$custom: #3564bd;
$custom-light: #7d8fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3564bd",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 189
  },
  "hsl": {
    "h": 219.265,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51838,
    "c": 0.14932,
    "h": 261.7
  },
  "luminance": 0.13545
}

Semantic roles & 50–950 ramp

primary

#3564BD

secondary

#CAB284

accent

#AB48DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3564BD

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

Preview Lab → · Contrast checker → · Palette generator →