#5556EE#5556EE

#5556EE is a mid, highly saturated blue. Relative luminance 0.148; OKLCH L 54.7% C 0.222 H 275.9°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#5556EE
RGB	rgb(85, 86, 238)
HSL	hsl(240, 82%, 63%)
HSV	hsv(240, 64%, 93%)
CMYK	cmyk(64.3%, 63.9%, 0%, 6.7%)
CIE-LAB	lab(45.30, 45.08, -76.67)
CIE-LCH	lch(45.30, 88.94, 300.46°)
OKLab	oklab(54.7% 0.0228 -0.2211)
OKLCH	oklch(54.7% 0.222 275.9)
XYZ	xyz(22.5017, 14.7580, 82.5351)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5556EE #EEED55

analogous

#55A2EE #5556EE #A055EE

triadic

#5556EE #EE5556 #56EE55

tetradic

#5556EE #EE55A2 #EEED55 #55EEA0

square

#5556EE #EE55A2 #EEED55 #55EEA0

split-complementary

#5556EE #EEA055 #A2EE55

monochromatic

#1213B6 #1D1FE8 #5556EE #8D8DF4 #C4C5F9

Accessibility & contrast

On white

5.31

#5556EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#5556EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5556EE

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5556EE	#FFFFFF	#000000	##FFFFFF
##5556EE	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F3

Deuteranopia (green-blind)

#0064EB

Tritanopia (blue-blind)

#007D9A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5556ee;
/* rgb */ color: rgb(85, 86, 238);
/* oklch */ color: oklch(54.7% 0.222 275.9);

Tailwind

colors: {
  custom: {
    50: '#9586f5',
    500: '#5556ee',
    950: '#000000',
  },
}

SCSS

$custom: #5556ee;
$custom-light: #9586f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5556ee",
  "rgb": {
    "r": 85,
    "g": 86,
    "b": 238
  },
  "hsl": {
    "h": 239.608,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.54701,
    "c": 0.22227,
    "h": 275.9
  },
  "luminance": 0.1476
}

Semantic roles & 50–950 ramp

primary

#5556EE

secondary

#EBEAB4

accent

#DD07DE

background

#FAF8FF

surface

#F3EFFF

border

#CDCAD7

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #5556EE

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

Preview Lab → · Contrast checker → · Palette generator →