#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
RGBrgb(85, 86, 238)
HSLhsl(240, 82%, 63%)
HSVhsv(240, 64%, 93%)
CMYKcmyk(64.3%, 63.9%, 0%, 6.7%)
CIE-LABlab(45.30, 45.08, -76.67)
CIE-LCHlch(45.30, 88.94, 300.46°)
OKLaboklab(54.7% 0.0228 -0.2211)
OKLCHoklch(54.7% 0.222 275.9)
XYZxyz(22.5017, 14.7580, 82.5351)
Luminance0.1476 (WCAG relative)
Temperaturecool
Familyblue

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
##5556EE1.005.313.955.31
#FFFFFF5.311.0021.001.00
#0000003.9521.001.0021.00
##FFFFFF5.311.0021.001.00

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 →

#5556EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva