#5566D5#5566D5

#5566D5 is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.6% C 0.170 H 273.0°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5566D5
RGB	rgb(85, 102, 213)
HSL	hsl(232, 60%, 58%)
HSV	hsv(232, 60%, 84%)
CMYK	cmyk(60.1%, 52.1%, 0%, 16.5%)
CIE-LAB	lab(47.28, 27.10, -59.29)
CIE-LCH	lch(47.28, 65.19, 294.57°)
OKLab	oklab(55.59% 0.0091 -0.1699)
OKLCH	oklch(55.59% 0.17 273)
XYZ	xyz(20.5040, 16.2365, 64.9913)
Luminance	0.1624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5566D5 #D5C455

analogous

#55A6D5 #5566D5 #8455D5

triadic

#5566D5 #D55566 #66D555

tetradic

#5566D5 #D555A6 #D5C455 #55D584

square

#5566D5 #D555A6 #D5C455 #55D584

split-complementary

#5566D5 #D58455 #A6D555

monochromatic

#23318D #2F42BE #5566D5 #8692E1 #B7BEED

Accessibility & contrast

On white

4.94

#5566D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#5566D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5566D5

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5566D5	#FFFFFF	#000000	##FFFFFF
##5566D5	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2476D9

Deuteranopia (green-blind)

#006BD3

Tritanopia (blue-blind)

#008094

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #5566d5;
/* rgb */ color: rgb(85, 102, 213);
/* oklch */ color: oklch(55.6% 0.170 273.0);

Tailwind

colors: {
  custom: {
    50: '#9091e3',
    500: '#5566d5',
    950: '#000000',
  },
}

SCSS

$custom: #5566d5;
$custom-light: #9091e3;
$custom-dark: #000000;

JSON

{
  "hex": "#5566d5",
  "rgb": {
    "r": 85,
    "g": 102,
    "b": 213
  },
  "hsl": {
    "h": 232.031,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.55593,
    "c": 0.17013,
    "h": 273
  },
  "luminance": 0.16238
}

Semantic roles & 50–950 ramp

primary

#5566D5

secondary

#DCD6A9

accent

#CE44E4

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C15

muted

#7E7D84

Preview Lab

Preview with #5566D5

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

Preview Lab → · Contrast checker → · Palette generator →