#3566AF#3566AF

#3566AF is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.3% C 0.128 H 258.3°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#3566AF
RGB	rgb(53, 102, 175)
HSL	hsl(216, 54%, 45%)
HSV	hsv(216, 70%, 69%)
CMYK	cmyk(69.7%, 41.7%, 0%, 31.4%)
CIE-LAB	lab(43.29, 8.21, -43.81)
CIE-LCH	lch(43.29, 44.58, 280.61°)
OKLab	oklab(51.35% -0.0259 -0.125)
OKLCH	oklch(51.35% 0.128 258.3)
XYZ	xyz(13.9546, 13.3533, 42.3911)
Luminance	0.1336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566AF #AF7E35

analogous

#35A3AF #3566AF #4135AF

triadic

#3566AF #AF3566 #66AF35

tetradic

#3566AF #AF35A3 #AF7E35 #35AF41

square

#3566AF #AF35A3 #AF7E35 #35AF41

split-complementary

#3566AF #AF4135 #A3AF35

monochromatic

#192F51 #274B80 #3566AF #5685CC #85A7DA

Accessibility & contrast

On white

5.72

#3566AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#3566AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566AF

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566AF	#FFFFFF	#000000	##FFFFFF
##3566AF	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446CB2

Deuteranopia (green-blind)

#3061AE

Tritanopia (blue-blind)

#007782

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3566af;
/* rgb */ color: rgb(53, 102, 175);
/* oklch */ color: oklch(51.3% 0.128 258.3);

Tailwind

colors: {
  custom: {
    50: '#7a91c7',
    500: '#3566af',
    950: '#000000',
  },
}

SCSS

$custom: #3566af;
$custom-light: #7a91c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3566af",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 175
  },
  "hsl": {
    "h": 215.902,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51346,
    "c": 0.12769,
    "h": 258.3
  },
  "luminance": 0.13355
}

Semantic roles & 50–950 ramp

primary

#3566AF

secondary

#C4A77C

accent

#A24BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3566AF

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

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