#5556DD#5556DD

#5556DD is a mid, highly saturated blue. Relative luminance 0.138; OKLCH L 53.3% C 0.201 H 276.8°. Best body text is #FFFFFF at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#5556DD
RGB	rgb(85, 86, 221)
HSL	hsl(240, 67%, 60%)
HSV	hsv(240, 62%, 87%)
CMYK	cmyk(61.5%, 61.1%, 0%, 13.3%)
CIE-LAB	lab(43.95, 39.58, -69.24)
CIE-LCH	lch(43.95, 79.76, 299.75°)
OKLab	oklab(53.3% 0.0239 -0.1993)
OKLCH	oklch(53.3% 0.201 276.8)
XYZ	xyz(20.1210, 13.8057, 69.9970)
Luminance	0.1381 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556DD #DDDC55

analogous

#559ADD #5556DD #9855DD

triadic

#5556DD #DD5556 #56DD55

tetradic

#5556DD #DD559A #DDDC55 #55DD98

square

#5556DD #DD559A #DDDC55 #55DD98

split-complementary

#5556DD #DD9855 #9ADD55

monochromatic

#1F1F99 #292ACC #5556DD #8889E7 #BBBBF1

Accessibility & contrast

On white

5.58

#5556DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#5556DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556DD

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556DD	#FFFFFF	#000000	##FFFFFF
##5556DD	1.00	5.58	3.76	5.58
#FFFFFF	5.58	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EE1

Deuteranopia (green-blind)

#0062DA

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5556dd;
/* rgb */ color: rgb(85, 86, 221);
/* oklch */ color: oklch(53.3% 0.201 276.8);

Tailwind

colors: {
  custom: {
    50: '#9286e9',
    500: '#5556dd',
    950: '#000000',
  },
}

SCSS

$custom: #5556dd;
$custom-light: #9286e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5556dd",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 221
  },
  "hsl": {
    "h": 239.559,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.53296,
    "c": 0.20075,
    "h": 276.8
  },
  "luminance": 0.13807
}

Semantic roles & 50–950 ramp

primary

#5556DD

secondary

#E1E1AD

accent

#E83EEA

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5556DD

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

Preview Lab → · Contrast checker → · Palette generator →