#55C8FF#55C8FF

#55C8FF is a light, vivid cyan. Relative luminance 0.505; OKLCH L 78.9% C 0.129 H 232.5°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX#55C8FF
RGBrgb(85, 200, 255)
HSLhsl(199, 100%, 67%)
HSVhsv(199, 67%, 100%)
CMYKcmyk(66.7%, 21.6%, 0%, 0%)
CIE-LABlab(76.35, -15.88, -36.53)
CIE-LCHlch(76.35, 39.83, 246.51°)
OKLaboklab(78.92% -0.0785 -0.1025)
OKLCHoklch(78.92% 0.129 232.5)
XYZxyz(42.4435, 50.4552, 102.0903)
Luminance0.5046 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55C8FF #FF8C55
analogous
#55FFE1 #55C8FF #5573FF
triadic
#55C8FF #FF55C8 #C8FF55
tetradic
#55C8FF #E155FF #FF8C55 #73FF55
square
#55C8FF #E155FF #FF8C55 #73FF55
split-complementary
#55C8FF #FF5573 #FFE155
monochromatic
#0093DA #18B4FF #55C8FF #92DCFF #CFF0FF

Accessibility & contrast

On white

1.89
#55C8FF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.09
#55C8FF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C8FF
11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55C8FF#FFFFFF#000000##000000
##55C8FF1.001.8911.0911.09
#FFFFFF1.891.0021.0021.00
#00000011.0921.001.001.00
##00000011.0921.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADC6FF
Deuteranopia (green-blind)
#95B5FE
Tritanopia (blue-blind)
#00D7DA
Achromatopsia (no color)
#BCBCBC

Design tokens & code

CSS
--color: #55c8ff;
/* rgb */ color: rgb(85, 200, 255);
/* oklch */ color: oklch(78.9% 0.129 232.5);
Tailwind
colors: {
  custom: {
    50: '#96d8ff',
    500: '#55c8ff',
    950: '#000000',
  },
}
SCSS
$custom: #55c8ff;
$custom-light: #96d8ff;
$custom-dark: #000000;
JSON
{
  "hex": "#55c8ff",
  "rgb": {
    "r": 85,
    "g": 200,
    "b": 255
  },
  "hsl": {
    "h": 199.412,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.78921,
    "c": 0.12909,
    "h": 232.5
  },
  "luminance": 0.5046
}

Semantic roles & 50–950 ramp

primary
#55C8FF
secondary
#D35D25
accent
#4A00E6
background
#FCFEFF
surface
#F5FBFF
border
#CFD4D7
text
#0F1418
muted
#808386

Preview Lab

Preview with #55C8FF

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

Preview Lab → · Contrast checker → · Palette generator →

#55C8FF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva