#55D1EE#55D1EE

#55D1EE is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.3% C 0.116 H 216.0°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX#55D1EE
RGBrgb(85, 209, 238)
HSLhsl(191, 82%, 63%)
HSVhsv(191, 64%, 93%)
CMYKcmyk(64.3%, 12.2%, 0%, 6.7%)
CIE-LABlab(78.29, -25.65, -24.45)
CIE-LCHlch(78.29, 35.44, 223.63°)
OKLaboklab(80.27% -0.0935 -0.068)
OKLCHoklch(80.27% 0.116 216)
XYZxyz(41.9730, 53.7007, 89.0256)
Luminance0.5371 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55D1EE #EE7255
analogous
#55EEBF #55D1EE #5584EE
triadic
#55D1EE #EE55D1 #D1EE55
tetradic
#55D1EE #BF55EE #EE7255 #84EE55
square
#55D1EE #BF55EE #EE7255 #84EE55
split-complementary
#55D1EE #EE5584 #EEBF55
monochromatic
#1297B6 #1DC2E8 #55D1EE #8DE0F4 #C4EFF9

Accessibility & contrast

On white

1.79
#55D1EE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.74
#55D1EE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D1EE
11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55D1EE#FFFFFF#000000##000000
##55D1EE1.001.7911.7411.74
#FFFFFF1.791.0021.0021.00
#00000011.7421.001.001.00
##00000011.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#BDCBF0
Deuteranopia (green-blind)
#A7BBEE
Tritanopia (blue-blind)
#00DCDA
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #55d1ee;
/* rgb */ color: rgb(85, 209, 238);
/* oklch */ color: oklch(80.3% 0.116 216.0);
Tailwind
colors: {
  custom: {
    50: '#95dff3',
    500: '#55d1ee',
    950: '#000000',
  },
}
SCSS
$custom: #55d1ee;
$custom-light: #95dff3;
$custom-dark: #000000;
JSON
{
  "hex": "#55d1ee",
  "rgb": {
    "r": 85,
    "g": 209,
    "b": 238
  },
  "hsl": {
    "h": 191.373,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.80266,
    "c": 0.11566,
    "h": 216
  },
  "luminance": 0.53705
}

Semantic roles & 50–950 ramp

primary
#55D1EE
secondary
#B64A31
accent
#3007DE
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0F1517
muted
#808485

Preview Lab

Preview with #55D1EE

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

Preview Lab → · Contrast checker → · Palette generator →

#55D1EE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva