#3564B2#3564B2

#3564B2 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.134 H 260.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3564B2
RGB	rgb(53, 100, 178)
HSL	hsl(217, 54%, 45%)
HSV	hsv(217, 70%, 70%)
CMYK	cmyk(70.2%, 43.8%, 0%, 30.2%)
CIE-LAB	lab(42.89, 10.59, -46.21)
CIE-LCH	lch(42.89, 47.41, 282.91°)
OKLab	oklab(51.09% -0.0234 -0.1321)
OKLCH	oklch(51.09% 0.134 260)
XYZ	xyz(14.0584, 13.0841, 43.8954)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3564B2 #B28335

analogous

#35A2B2 #3564B2 #4435B2

triadic

#3564B2 #B23564 #64B235

tetradic

#3564B2 #B235A2 #B28335 #35B244

square

#3564B2 #B235A2 #B28335 #35B244

split-complementary

#3564B2 #B24435 #A2B235

monochromatic

#192F54 #274A83 #3564B2 #5783CD #86A6DB

Accessibility & contrast

On white

5.81

#3564B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3564B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3564B2

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3564B2	#FFFFFF	#000000	##FFFFFF
##3564B2	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6BB5

Deuteranopia (green-blind)

#2860B0

Tritanopia (blue-blind)

#007682

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3564b2;
/* rgb */ color: rgb(53, 100, 178);
/* oklch */ color: oklch(51.1% 0.134 260.0);

Tailwind

colors: {
  custom: {
    50: '#7b8fc9',
    500: '#3564b2',
    950: '#000000',
  },
}

SCSS

$custom: #3564b2;
$custom-light: #7b8fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#3564b2",
  "rgb": {
    "r": 53,
    "g": 100,
    "b": 178
  },
  "hsl": {
    "h": 217.44,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51093,
    "c": 0.13416,
    "h": 260
  },
  "luminance": 0.13086
}

Semantic roles & 50–950 ramp

primary

#3564B2

secondary

#C5AA7E

accent

#A64ADD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3564B2

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

Preview Lab → · Contrast checker → · Palette generator →