#55ADD5#55ADD5

#55ADD5 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.9% C 0.102 H 230.2°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX#55ADD5
RGBrgb(85, 173, 213)
HSLhsl(199, 60%, 58%)
HSVhsv(199, 60%, 84%)
CMYKcmyk(60.1%, 18.8%, 0%, 16.5%)
CIE-LABlab(66.99, -14.67, -28.19)
CIE-LCHlch(66.99, 31.78, 242.50°)
OKLaboklab(70.93% -0.0656 -0.0787)
OKLCHoklch(70.93% 0.102 230.2)
XYZxyz(30.6955, 36.6195, 68.3885)
Luminance0.3662 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55ADD5 #D57D55
analogous
#55D5BD #55ADD5 #556DD5
triadic
#55ADD5 #D555AD #ADD555
tetradic
#55ADD5 #BD55D5 #D57D55 #6DD555
square
#55ADD5 #BD55D5 #D57D55 #6DD555
split-complementary
#55ADD5 #D5556D #D5BD55
monochromatic
#236C8D #2F91BE #55ADD5 #86C5E1 #B7DCED

Accessibility & contrast

On white

2.52
#55ADD5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.32
#55ADD5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ADD5
8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55ADD5#FFFFFF#000000##000000
##55ADD51.002.528.328.32
#FFFFFF2.521.0021.0021.00
#0000008.3221.001.001.00
##0000008.3221.001.001.00

Color blindness preview

Protanopia (red-blind)
#99ABD7
Deuteranopia (green-blind)
#879DD4
Tritanopia (blue-blind)
#00B8BA
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #55add5;
/* rgb */ color: rgb(85, 173, 213);
/* oklch */ color: oklch(70.9% 0.102 230.2);
Tailwind
colors: {
  custom: {
    50: '#90c5e2',
    500: '#55add5',
    950: '#000000',
  },
}
SCSS
$custom: #55add5;
$custom-light: #90c5e2;
$custom-dark: #000000;
JSON
{
  "hex": "#55add5",
  "rgb": {
    "r": 85,
    "g": 173,
    "b": 213
  },
  "hsl": {
    "h": 198.75,
    "s": 60.377,
    "l": 58.431
  },
  "oklch": {
    "l": 0.70928,
    "c": 0.10246,
    "h": 230.2
  },
  "luminance": 0.36623
}

Semantic roles & 50–950 ramp

primary
#55ADD5
secondary
#DCB9A9
accent
#7644E4
background
#F9FCFD
surface
#F2F8FB
border
#CCD1D4
text
#0E1215
muted
#7E8183

Preview Lab

Preview with #55ADD5

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

Preview Lab → · Contrast checker → · Palette generator →

#55ADD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva