#55B3E3#55B3E3

#55B3E3 is a light, moderate cyan. Relative luminance 0.397; OKLCH L 72.9% C 0.113 H 233.5°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX#55B3E3
RGBrgb(85, 179, 227)
HSLhsl(200, 72%, 61%)
HSVhsv(200, 63%, 89%)
CMYKcmyk(62.6%, 21.1%, 0%, 11%)
CIE-LABlab(69.27, -13.54, -32.36)
CIE-LCHlch(69.27, 35.08, 247.29°)
OKLaboklab(72.92% -0.067 -0.0906)
OKLCHoklch(72.92% 0.113 233.5)
XYZxyz(33.7262, 39.7141, 78.5464)
Luminance0.3972 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B3E3 #E38555
analogous
#55E3CC #55B3E3 #556CE3
triadic
#55B3E3 #E355B3 #B3E355
tetradic
#55B3E3 #CC55E3 #E38555 #6CE355
square
#55B3E3 #CC55E3 #E38555 #6CE355
split-complementary
#55B3E3 #E3556C #E3CC55
monochromatic
#1B75A3 #239BD7 #55B3E3 #8ACAEC #BEE2F4

Accessibility & contrast

On white

2.35
#55B3E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.94
#55B3E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B3E3
8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B3E3#FFFFFF#000000##000000
##55B3E31.002.358.948.94
#FFFFFF2.351.0021.0021.00
#0000008.9421.001.001.00
##0000008.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB1E5
Deuteranopia (green-blind)
#88A3E2
Tritanopia (blue-blind)
#00C0C3
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #55b3e3;
/* rgb */ color: rgb(85, 179, 227);
/* oklch */ color: oklch(72.9% 0.113 233.5);
Tailwind
colors: {
  custom: {
    50: '#92c9ec',
    500: '#55b3e3',
    950: '#000000',
  },
}
SCSS
$custom: #55b3e3;
$custom-light: #92c9ec;
$custom-dark: #000000;
JSON
{
  "hex": "#55b3e3",
  "rgb": {
    "r": 85,
    "g": 179,
    "b": 227
  },
  "hsl": {
    "h": 200.282,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.72919,
    "c": 0.11269,
    "h": 233.5
  },
  "luminance": 0.39718
}

Semantic roles & 50–950 ramp

primary
#55B3E3
secondary
#E5C1AF
accent
#5312D4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #55B3E3

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

Preview Lab → · Contrast checker → · Palette generator →

#55B3E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva