#3566AE#3566AE

#3566AE is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.3% C 0.126 H 258.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3566AE
RGB	rgb(53, 102, 174)
HSL	hsl(216, 53%, 45%)
HSV	hsv(216, 70%, 68%)
CMYK	cmyk(69.5%, 41.4%, 0%, 31.8%)
CIE-LAB	lab(43.23, 7.84, -43.32)
CIE-LCH	lch(43.23, 44.02, 280.26°)
OKLab	oklab(51.28% -0.0261 -0.1236)
OKLCH	oklch(51.28% 0.126 258.1)
XYZ	xyz(13.8568, 13.3142, 41.8758)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566AE #AE7D35

analogous

#35A3AE #3566AE #4035AE

triadic

#3566AE #AE3566 #66AE35

tetradic

#3566AE #AE35A3 #AE7D35 #35AE40

square

#3566AE #AE35A3 #AE7D35 #35AE40

split-complementary

#3566AE #AE4035 #A3AE35

monochromatic

#182F50 #274B7F #3566AE #5585CB #84A7DA

Accessibility & contrast

On white

5.73

#3566AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#3566AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566AE

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566AE	#FFFFFF	#000000	##FFFFFF
##3566AE	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446CB1

Deuteranopia (green-blind)

#3161AD

Tritanopia (blue-blind)

#007781

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3566ae;
/* rgb */ color: rgb(53, 102, 174);
/* oklch */ color: oklch(51.3% 0.126 258.1);

Tailwind

colors: {
  custom: {
    50: '#7a91c6',
    500: '#3566ae',
    950: '#000000',
  },
}

SCSS

$custom: #3566ae;
$custom-light: #7a91c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3566ae",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 174
  },
  "hsl": {
    "h": 215.702,
    "s": 53.304,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51282,
    "c": 0.12631,
    "h": 258.1
  },
  "luminance": 0.13316
}

Semantic roles & 50–950 ramp

primary

#3566AE

secondary

#C3A67C

accent

#A24BDD

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3566AE

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

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