#3565BC#3565BC

#3565BC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.147 H 261.2°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3565BC
RGB	rgb(53, 101, 188)
HSL	hsl(219, 56%, 47%)
HSV	hsv(219, 72%, 74%)
CMYK	cmyk(71.8%, 46.3%, 0%, 26.3%)
CIE-LAB	lab(43.79, 13.66, -50.60)
CIE-LCH	lch(43.79, 52.41, 285.10°)
OKLab	oklab(51.99% -0.0225 -0.145)
OKLCH	oklch(51.99% 0.147 261.2)
XYZ	xyz(15.1957, 13.6935, 49.4095)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565BC #BC8C35

analogous

#35A8BC #3565BC #4935BC

triadic

#3565BC #BC3565 #65BC35

tetradic

#3565BC #BC35A8 #BC8C35 #35BC49

square

#3565BC #BC35A8 #BC8C35 #35BC49

split-complementary

#3565BC #BC4935 #A8BC35

monochromatic

#1A325D #284B8C #3565BC #5D86D1 #8DAADF

Accessibility & contrast

On white

5.62

#3565BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3565BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565BC

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565BC	#FFFFFF	#000000	##FFFFFF
##3565BC	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBF

Deuteranopia (green-blind)

#1A62BA

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3565bc;
/* rgb */ color: rgb(53, 101, 188);
/* oklch */ color: oklch(52.0% 0.147 261.2);

Tailwind

colors: {
  custom: {
    50: '#7d90d1',
    500: '#3565bc',
    950: '#000000',
  },
}

SCSS

$custom: #3565bc;
$custom-light: #7d90d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3565bc",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 188
  },
  "hsl": {
    "h": 218.667,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.51985,
    "c": 0.14674,
    "h": 261.2
  },
  "luminance": 0.13695
}

Semantic roles & 50–950 ramp

primary

#3565BC

secondary

#C9B084

accent

#AA48DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3565BC

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

Preview Lab → · Contrast checker → · Palette generator →