#3564AB#3564AB

#3564AB is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.6% C 0.124 H 258.5°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3564AB
RGB	rgb(53, 100, 171)
HSL	hsl(216, 53%, 44%)
HSV	hsv(216, 69%, 67%)
CMYK	cmyk(69%, 41.5%, 0%, 32.9%)
CIE-LAB	lab(42.48, 8.01, -42.76)
CIE-LCH	lch(42.48, 43.51, 280.61°)
OKLab	oklab(50.64% -0.0248 -0.122)
OKLCH	oklch(50.64% 0.124 258.5)
XYZ	xyz(13.3734, 12.8101, 40.2880)
Luminance	0.1281 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564AB #AB7C35

analogous

#359FAB #3564AB #4135AB

triadic

#3564AB #AB3564 #64AB35

tetradic

#3564AB #AB359F #AB7C35 #35AB41

square

#3564AB #AB359F #AB7C35 #35AB41

split-complementary

#3564AB #AB4135 #9FAB35

monochromatic

#182D4E #27497C #3564AB #5383CA #82A4D8

Accessibility & contrast

On white

5.89

#3564AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#3564AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564AB

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564AB	#FFFFFF	#000000	##FFFFFF
##3564AB	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAE

Deuteranopia (green-blind)

#305FAA

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3564ab;
/* rgb */ color: rgb(53, 100, 171);
/* oklch */ color: oklch(50.6% 0.124 258.5);

Tailwind

colors: {
  custom: {
    50: '#7a8fc4',
    500: '#3564ab',
    950: '#000000',
  },
}

SCSS

$custom: #3564ab;
$custom-light: #7a8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3564ab",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 171
  },
  "hsl": {
    "h": 216.102,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50639,
    "c": 0.12448,
    "h": 258.5
  },
  "luminance": 0.12812
}

Semantic roles & 50–950 ramp

primary

#3564AB

secondary

#C2A57A

accent

#A34CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3564AB

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

Preview Lab → · Contrast checker → · Palette generator →