#5566D7#5566D7

#5566D7 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.7% C 0.173 H 273.0°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5566D7
RGB	rgb(85, 102, 215)
HSL	hsl(232, 62%, 59%)
HSV	hsv(232, 60%, 84%)
CMYK	cmyk(60.5%, 52.6%, 0%, 15.7%)
CIE-LAB	lab(47.42, 27.77, -60.21)
CIE-LCH	lch(47.42, 66.31, 294.76°)
OKLab	oklab(55.74% 0.0092 -0.1726)
OKLCH	oklch(55.74% 0.173 273)
XYZ	xyz(20.7594, 16.3387, 66.3365)
Luminance	0.1634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5566D7 #D7C655

analogous

#55A7D7 #5566D7 #8555D7

triadic

#5566D7 #D75566 #66D755

tetradic

#5566D7 #D755A7 #D7C655 #55D785

square

#5566D7 #D755A7 #D7C655 #55D785

split-complementary

#5566D7 #D78555 #A7D755

monochromatic

#223090 #2D41C1 #5566D7 #8793E3 #B8BFEE

Accessibility & contrast

On white

4.92

#5566D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#5566D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5566D7

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5566D7	#FFFFFF	#000000	##FFFFFF
##5566D7	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2076DB

Deuteranopia (green-blind)

#006BD5

Tritanopia (blue-blind)

#008095

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5566d7;
/* rgb */ color: rgb(85, 102, 215);
/* oklch */ color: oklch(55.7% 0.173 273.0);

Tailwind

colors: {
  custom: {
    50: '#9091e4',
    500: '#5566d7',
    950: '#000000',
  },
}

SCSS

$custom: #5566d7;
$custom-light: #9091e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5566d7",
  "rgb": {
    "r": 85,
    "g": 102,
    "b": 215
  },
  "hsl": {
    "h": 232.154,
    "s": 61.905,
    "l": 58.824
  },
  "oklch": {
    "l": 0.55735,
    "c": 0.17285,
    "h": 273
  },
  "luminance": 0.1634
}

Semantic roles & 50–950 ramp

primary

#5566D7

secondary

#DED7AA

accent

#D043E5

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5566D7

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

Preview Lab → · Contrast checker → · Palette generator →