#55ADD8#55ADD8

#55ADD8 is a light, moderate cyan. Relative luminance 0.368; OKLCH L 71.1% C 0.105 H 232.1°. Best body text is #000000 at 8.36:1 contrast (WCAG AA passes).

Color values

HEX#55ADD8
RGBrgb(85, 173, 216)
HSLhsl(200, 63%, 59%)
HSVhsv(200, 61%, 85%)
CMYKcmyk(60.6%, 19.9%, 0%, 15.3%)
CIE-LABlab(67.11, -13.75, -29.67)
CIE-LCHlch(67.11, 32.70, 245.13°)
OKLaboklab(71.06% -0.0645 -0.0829)
OKLCHoklch(71.06% 0.105 232.1)
XYZxyz(31.0798, 36.7733, 70.4125)
Luminance0.3678 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55ADD8 #D88055
analogous
#55D8C2 #55ADD8 #556CD8
triadic
#55ADD8 #D855AD #ADD855
tetradic
#55ADD8 #C255D8 #D88055 #6CD855
square
#55ADD8 #C255D8 #D88055 #6CD855
split-complementary
#55ADD8 #D8556C #D8C255
monochromatic
#216D91 #2D92C3 #55ADD8 #87C5E3 #B9DDEF

Accessibility & contrast

On white

2.51
#55ADD8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.36
#55ADD8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ADD8
8.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55ADD8#FFFFFF#000000##000000
##55ADD81.002.518.368.36
#FFFFFF2.511.0021.0021.00
#0000008.3621.001.001.00
##0000008.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#98ABDA
Deuteranopia (green-blind)
#869DD7
Tritanopia (blue-blind)
#00B9BB
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #55add8;
/* rgb */ color: rgb(85, 173, 216);
/* oklch */ color: oklch(71.1% 0.105 232.1);
Tailwind
colors: {
  custom: {
    50: '#90c5e4',
    500: '#55add8',
    950: '#000000',
  },
}
SCSS
$custom: #55add8;
$custom-light: #90c5e4;
$custom-dark: #000000;
JSON
{
  "hex": "#55add8",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 216
  },
  "hsl": {
    "h": 199.695,
    "s": 62.679,
    "l": 59.02
  },
  "oklch": {
    "l": 0.71059,
    "c": 0.10506,
    "h": 232.1
  },
  "luminance": 0.36776
}

Semantic roles & 50–950 ramp

primary
#55ADD8
secondary
#DEBCAB
accent
#7842E6
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #55ADD8

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

Preview Lab → · Contrast checker → · Palette generator →

#55ADD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva