#3564B5#3564B5

#3564B5 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.3% C 0.138 H 260.5°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#3564B5
RGB	rgb(53, 100, 181)
HSL	hsl(218, 55%, 46%)
HSV	hsv(218, 71%, 71%)
CMYK	cmyk(70.7%, 44.8%, 0%, 29%)
CIE-LAB	lab(43.07, 11.70, -47.68)
CIE-LCH	lch(43.07, 49.09, 283.79°)
OKLab	oklab(51.29% -0.0228 -0.1364)
OKLCH	oklch(51.29% 0.138 260.5)
XYZ	xyz(14.3629, 13.2059, 45.4992)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564B5 #B58635

analogous

#35A4B5 #3564B5 #4635B5

triadic

#3564B5 #B53564 #64B535

tetradic

#3564B5 #B535A4 #B58635 #35B546

square

#3564B5 #B535A4 #B58635 #35B546

split-complementary

#3564B5 #B54635 #A4B535

monochromatic

#193056 #274A86 #3564B5 #5984CE #88A7DC

Accessibility & contrast

On white

5.77

#3564B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3564B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564B5

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564B5	#FFFFFF	#000000	##FFFFFF
##3564B5	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C6CB8

Deuteranopia (green-blind)

#2460B3

Tritanopia (blue-blind)

#007783

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3564b5;
/* rgb */ color: rgb(53, 100, 181);
/* oklch */ color: oklch(51.3% 0.138 260.5);

Tailwind

colors: {
  custom: {
    50: '#7c8fcc',
    500: '#3564b5',
    950: '#000000',
  },
}

SCSS

$custom: #3564b5;
$custom-light: #7c8fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3564b5",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 181
  },
  "hsl": {
    "h": 217.969,
    "s": 54.701,
    "l": 45.882
  },
  "oklch": {
    "l": 0.51293,
    "c": 0.13831,
    "h": 260.5
  },
  "luminance": 0.13207
}

Semantic roles & 50–950 ramp

primary

#3564B5

secondary

#C6AC80

accent

#A84ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3564B5

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

Preview Lab → · Contrast checker → · Palette generator →