#55D8FF#55D8FF

#55D8FF is a very light, vivid cyan. Relative luminance 0.583; OKLCH L 82.5% C 0.125 H 221.2°. Best body text is #000000 at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#55D8FF
RGB	rgb(85, 216, 255)
HSL	hsl(194, 100%, 67%)
HSV	hsv(194, 67%, 100%)
CMYK	cmyk(66.7%, 15.3%, 0%, 0%)
CIE-LAB	lab(80.88, -24.05, -29.54)
CIE-LCH	lch(80.88, 38.09, 230.85°)
OKLab	oklab(82.55% -0.0941 -0.0824)
OKLCH	oklch(82.55% 0.125 221.2)
XYZ	xyz(46.3448, 58.2579, 103.3908)
Luminance	0.5826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D8FF #FF7C55

analogous

#55FFD1 #55D8FF #5583FF

triadic

#55D8FF #FF55D8 #D8FF55

tetradic

#55D8FF #D155FF #FF7C55 #83FF55

square

#55D8FF #D155FF #FF7C55 #83FF55

split-complementary

#55D8FF #FF5583 #FFD155

monochromatic

#00A8DA #18CAFF #55D8FF #92E6FF #CFF4FF

Accessibility & contrast

On white

1.66

#55D8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.65

#55D8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D8FF

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D8FF	#FFFFFF	#000000	##000000
##55D8FF	1.00	1.66	12.65	12.65
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.65	21.00	1.00	1.00
##000000	12.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1D3FF

Deuteranopia (green-blind)

#A9C1FF

Tritanopia (blue-blind)

#00E4E4

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #55d8ff;
/* rgb */ color: rgb(85, 216, 255);
/* oklch */ color: oklch(82.5% 0.125 221.2);

Tailwind

colors: {
  custom: {
    50: '#97e4ff',
    500: '#55d8ff',
    950: '#000000',
  },
}

SCSS

$custom: #55d8ff;
$custom-light: #97e4ff;
$custom-dark: #000000;

JSON

{
  "hex": "#55d8ff",
  "rgb": {
    "r": 85,
    "g": 216,
    "b": 255
  },
  "hsl": {
    "h": 193.765,
    "s": 100,
    "l": 66.667
  },
  "oklch": {
    "l": 0.82545,
    "c": 0.1251,
    "h": 221.2
  },
  "luminance": 0.58263
}

Semantic roles & 50–950 ramp

primary

#55D8FF

secondary

#D34D25

accent

#3500E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1518

muted

#808486

Preview Lab

Preview with #55D8FF

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

Preview Lab → · Contrast checker → · Palette generator →