#3565CC#3565CC

#3565CC is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.1% C 0.168 H 263.1°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#3565CC
RGB	rgb(53, 101, 204)
HSL	hsl(221, 60%, 50%)
HSV	hsv(221, 74%, 80%)
CMYK	cmyk(74%, 50.5%, 0%, 20%)
CIE-LAB	lab(44.83, 19.60, -58.17)
CIE-LCH	lch(44.83, 61.38, 288.62°)
OKLab	oklab(53.12% -0.0202 -0.1673)
OKLCH	oklch(53.12% 0.168 263.1)
XYZ	xyz(17.0171, 14.4220, 59.0019)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3565CC #CC9C35

analogous

#35B1CC #3565CC #5035CC

triadic

#3565CC #CC3565 #65CC35

tetradic

#3565CC #CC35B1 #CC9C35 #35CC50

square

#3565CC #CC35B1 #CC9C35 #35CC50

split-complementary

#3565CC #CC5035 #B1CC35

monochromatic

#1B356B #274D9C #3565CC #668AD8 #97B0E5

Accessibility & contrast

On white

5.41

#3565CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#3565CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3565CC

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3565CC	#FFFFFF	#000000	##FFFFFF
##3565CC	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2571D0

Deuteranopia (green-blind)

#0064CA

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3565cc;
/* rgb */ color: rgb(53, 101, 204);
/* oklch */ color: oklch(53.1% 0.168 263.1);

Tailwind

colors: {
  custom: {
    50: '#8090dc',
    500: '#3565cc',
    950: '#000000',
  },
}

SCSS

$custom: #3565cc;
$custom-light: #8090dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3565cc",
  "rgb": {
    "r": 53,
    "g": 101,
    "b": 204
  },
  "hsl": {
    "h": 220.927,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53117,
    "c": 0.16849,
    "h": 263.1
  },
  "luminance": 0.14424
}

Semantic roles & 50–950 ramp

primary

#3565CC

secondary

#D0BB8D

accent

#B145E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3565CC

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

Preview Lab → · Contrast checker → · Palette generator →