#3566C1#3566C1

#3566C1 is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.152 H 261.5°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3566C1
RGB	rgb(53, 102, 193)
HSL	hsl(219, 57%, 48%)
HSV	hsv(219, 73%, 76%)
CMYK	cmyk(72.5%, 47.2%, 0%, 24.3%)
CIE-LAB	lab(44.39, 14.87, -52.54)
CIE-LCH	lch(44.39, 54.61, 285.80°)
OKLab	oklab(52.55% -0.0226 -0.1507)
OKLCH	oklch(52.55% 0.152 261.5)
XYZ	xyz(15.8418, 14.1082, 52.3300)
Luminance	0.1411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566C1 #C19035

analogous

#35ACC1 #3566C1 #4A35C1

triadic

#3566C1 #C13566 #66C135

tetradic

#3566C1 #C135AC #C19035 #35C14A

square

#3566C1 #C135AC #C19035 #35C14A

split-complementary

#3566C1 #C14A35 #ACC135

monochromatic

#1B3361 #284D91 #3566C1 #6088D3 #90ACE0

Accessibility & contrast

On white

5.49

#3566C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#3566C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566C1

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566C1	#FFFFFF	#000000	##FFFFFF
##3566C1	1.00	5.49	3.82	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3570C4

Deuteranopia (green-blind)

#1263BF

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3566c1;
/* rgb */ color: rgb(53, 102, 193);
/* oklch */ color: oklch(52.5% 0.152 261.5);

Tailwind

colors: {
  custom: {
    50: '#7e91d4',
    500: '#3566c1',
    950: '#000000',
  },
}

SCSS

$custom: #3566c1;
$custom-light: #7e91d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3566c1",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 193
  },
  "hsl": {
    "h": 219,
    "s": 56.911,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52546,
    "c": 0.15237,
    "h": 261.5
  },
  "luminance": 0.1411
}

Semantic roles & 50–950 ramp

primary

#3566C1

secondary

#CBB387

accent

#AB48E0

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3566C1

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

Preview Lab → · Contrast checker → · Palette generator →