#5566DB#5566DB

#5566DB is a mid, vivid blue. Relative luminance 0.165; OKLCH L 56.0% C 0.178 H 273.0°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#5566DB
RGB	rgb(85, 102, 219)
HSL	hsl(232, 65%, 60%)
HSV	hsv(232, 61%, 86%)
CMYK	cmyk(61.2%, 53.4%, 0%, 14.1%)
CIE-LAB	lab(47.68, 29.11, -62.05)
CIE-LCH	lch(47.68, 68.54, 295.13°)
OKLab	oklab(56.02% 0.0094 -0.178)
OKLCH	oklch(56.02% 0.178 273)
XYZ	xyz(21.2796, 16.5468, 69.0766)
Luminance	0.1655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5566DB #DBCA55

analogous

#55A9DB #5566DB #8755DB

triadic

#5566DB #DB5566 #66DB55

tetradic

#5566DB #DB55A9 #DBCA55 #55DB87

square

#5566DB #DB55A9 #DBCA55 #55DB87

split-complementary

#5566DB #DB8755 #A9DB55

monochromatic

#202F96 #2A3EC8 #5566DB #8893E6 #BAC1F0

Accessibility & contrast

On white

4.87

#5566DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#5566DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5566DB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5566DB	#FFFFFF	#000000	##FFFFFF
##5566DB	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1777DF

Deuteranopia (green-blind)

#006BD9

Tritanopia (blue-blind)

#008197

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #5566db;
/* rgb */ color: rgb(85, 102, 219);
/* oklch */ color: oklch(56.0% 0.178 273.0);

Tailwind

colors: {
  custom: {
    50: '#9191e7',
    500: '#5566db',
    950: '#000000',
  },
}

SCSS

$custom: #5566db;
$custom-light: #9191e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5566db",
  "rgb": {
    "r": 85,
    "g": 102,
    "b": 219
  },
  "hsl": {
    "h": 232.388,
    "s": 65.049,
    "l": 59.608
  },
  "oklch": {
    "l": 0.56022,
    "c": 0.17827,
    "h": 273
  },
  "luminance": 0.16549
}

Semantic roles & 50–950 ramp

primary

#5566DB

secondary

#E0D9AC

accent

#D340E8

background

#F9F8FE

surface

#F2F0FC

border

#CCCBD5

text

#0E0C16

muted

#7E7D84

Preview Lab

Preview with #5566DB

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

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