#55ACD9#55ACD9

#55ACD9 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.9% C 0.106 H 233.6°. Best body text is #000000 at 8.29:1 contrast (WCAG AA passes).

Color values

HEX#55ACD9
RGBrgb(85, 172, 217)
HSLhsl(200, 63%, 59%)
HSVhsv(200, 61%, 85%)
CMYKcmyk(60.8%, 20.7%, 0%, 14.9%)
CIE-LABlab(66.86, -12.90, -30.60)
CIE-LCHlch(66.86, 33.21, 247.14°)
OKLaboklab(70.87% -0.0631 -0.0856)
OKLCHoklch(70.87% 0.106 233.6)
XYZxyz(31.0184, 36.4431, 71.0317)
Luminance0.3645 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55ACD9 #D98255
analogous
#55D9C4 #55ACD9 #556AD9
triadic
#55ACD9 #D955AC #ACD955
tetradic
#55ACD9 #C455D9 #D98255 #6AD955
square
#55ACD9 #C455D9 #D98255 #6AD955
split-complementary
#55ACD9 #D9556A #D9C455
monochromatic
#216C93 #2C91C5 #55ACD9 #87C4E4 #B9DDEF

Accessibility & contrast

On white

2.53
#55ACD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.29
#55ACD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ACD9
8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55ACD9#FFFFFF#000000##000000
##55ACD91.002.538.298.29
#FFFFFF2.531.0021.0021.00
#0000008.2921.001.001.00
##0000008.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#96AADB
Deuteranopia (green-blind)
#849DD8
Tritanopia (blue-blind)
#00B8BB
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #55acd9;
/* rgb */ color: rgb(85, 172, 217);
/* oklch */ color: oklch(70.9% 0.106 233.6);
Tailwind
colors: {
  custom: {
    50: '#90c4e5',
    500: '#55acd9',
    950: '#000000',
  },
}
SCSS
$custom: #55acd9;
$custom-light: #90c4e5;
$custom-dark: #000000;
JSON
{
  "hex": "#55acd9",
  "rgb": {
    "r": 85,
    "g": 172,
    "b": 217
  },
  "hsl": {
    "h": 200.455,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.70873,
    "c": 0.10636,
    "h": 233.6
  },
  "luminance": 0.36446
}

Semantic roles & 50–950 ramp

primary
#55ACD9
secondary
#DFBDAB
accent
#7A41E6
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1215
muted
#7E8184

Preview Lab

Preview with #55ACD9

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

Preview Lab → · Contrast checker → · Palette generator →

#55ACD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva