#55C0DA#55C0DA

#55C0DA is a light, moderate cyan. Relative luminance 0.447; OKLCH L 75.5% C 0.104 H 216.3°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX#55C0DA
RGBrgb(85, 192, 218)
HSLhsl(192, 64%, 59%)
HSVhsv(192, 61%, 85%)
CMYKcmyk(61%, 11.9%, 0%, 14.5%)
CIE-LABlab(72.69, -23.05, -22.20)
CIE-LCHlch(72.69, 32.01, 223.93°)
OKLaboklab(75.54% -0.0838 -0.0617)
OKLCHoklch(75.54% 0.104 216.3)
XYZxyz(35.2457, 44.6889, 73.0844)
Luminance0.4469 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55C0DA #DA6F55
analogous
#55DAB1 #55C0DA #557EDA
triadic
#55C0DA #DA55C0 #C0DA55
tetradic
#55C0DA #B155DA #DA6F55 #7EDA55
square
#55C0DA #B155DA #DA6F55 #7EDA55
split-complementary
#55C0DA #DA557E #DAB155
monochromatic
#207E94 #2BA8C7 #55C0DA #87D3E5 #BAE5F0

Accessibility & contrast

On white

2.11
#55C0DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.94
#55C0DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C0DA
9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55C0DA#FFFFFF#000000##000000
##55C0DA1.002.119.949.94
#FFFFFF2.111.0021.0021.00
#0000009.9421.001.001.00
##0000009.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#AEBBDB
Deuteranopia (green-blind)
#9BACDA
Tritanopia (blue-blind)
#00C9C8
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #55c0da;
/* rgb */ color: rgb(85, 192, 218);
/* oklch */ color: oklch(75.5% 0.104 216.3);
Tailwind
colors: {
  custom: {
    50: '#92d3e5',
    500: '#55c0da',
    950: '#000000',
  },
}
SCSS
$custom: #55c0da;
$custom-light: #92d3e5;
$custom-dark: #000000;
JSON
{
  "hex": "#55c0da",
  "rgb": {
    "r": 85,
    "g": 192,
    "b": 218
  },
  "hsl": {
    "h": 191.729,
    "s": 64.251,
    "l": 59.412
  },
  "oklch": {
    "l": 0.75542,
    "c": 0.10408,
    "h": 216.3
  },
  "luminance": 0.44693
}

Semantic roles & 50–950 ramp

primary
#55C0DA
secondary
#DFB6AB
accent
#6141E7
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0E1415
muted
#7E8284

Preview Lab

Preview with #55C0DA

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

Preview Lab → · Contrast checker → · Palette generator →

#55C0DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva