#3566AC#3566AC

#3566AC is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.2% C 0.124 H 257.6°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3566AC
RGB	rgb(53, 102, 172)
HSL	hsl(215, 53%, 44%)
HSV	hsv(215, 69%, 67%)
CMYK	cmyk(69.2%, 40.7%, 0%, 32.5%)
CIE-LAB	lab(43.12, 7.11, -42.33)
CIE-LCH	lch(43.12, 42.92, 279.53°)
OKLab	oklab(51.16% -0.0266 -0.1207)
OKLCH	oklch(51.16% 0.124 257.6)
XYZ	xyz(13.6633, 13.2368, 40.8566)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3566AC #AC7B35

analogous

#35A2AC #3566AC #4035AC

triadic

#3566AC #AC3566 #66AC35

tetradic

#3566AC #AC35A2 #AC7B35 #35AC40

square

#3566AC #AC35A2 #AC7B35 #35AC40

split-complementary

#3566AC #AC4035 #A2AC35

monochromatic

#182F4E #274A7D #3566AC #5485CA #83A6D9

Accessibility & contrast

On white

5.76

#3566AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3566AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3566AC

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3566AC	#FFFFFF	#000000	##FFFFFF
##3566AC	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466CAF

Deuteranopia (green-blind)

#3361AB

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3566ac;
/* rgb */ color: rgb(53, 102, 172);
/* oklch */ color: oklch(51.2% 0.124 257.6);

Tailwind

colors: {
  custom: {
    50: '#7a91c5',
    500: '#3566ac',
    950: '#000000',
  },
}

SCSS

$custom: #3566ac;
$custom-light: #7a91c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3566ac",
  "rgb": {
    "r": 53,
    "g": 102,
    "b": 172
  },
  "hsl": {
    "h": 215.294,
    "s": 52.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51156,
    "c": 0.12356,
    "h": 257.6
  },
  "luminance": 0.13238
}

Semantic roles & 50–950 ramp

primary

#3566AC

secondary

#C2A57B

accent

#A14CDC

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3566AC

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

Preview Lab → · Contrast checker → · Palette generator →