#55D1EE#55D1EE

#55D1EE is a light, moderate cyan. Relative luminance 0.537; OKLCH L 80.3% C 0.116 H 216.0°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#55D1EE
RGB	rgb(85, 209, 238)
HSL	hsl(191, 82%, 63%)
HSV	hsv(191, 64%, 93%)
CMYK	cmyk(64.3%, 12.2%, 0%, 6.7%)
CIE-LAB	lab(78.29, -25.65, -24.45)
CIE-LCH	lch(78.29, 35.44, 223.63°)
OKLab	oklab(80.27% -0.0935 -0.068)
OKLCH	oklch(80.27% 0.116 216)
XYZ	xyz(41.9730, 53.7007, 89.0256)
Luminance	0.5371 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55D1EE #EE7255

analogous

#55EEBF #55D1EE #5584EE

triadic

#55D1EE #EE55D1 #D1EE55

tetradic

#55D1EE #BF55EE #EE7255 #84EE55

square

#55D1EE #BF55EE #EE7255 #84EE55

split-complementary

#55D1EE #EE5584 #EEBF55

monochromatic

#1297B6 #1DC2E8 #55D1EE #8DE0F4 #C4EFF9

Accessibility & contrast

On white

1.79

#55D1EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#55D1EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D1EE

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55D1EE	#FFFFFF	#000000	##000000
##55D1EE	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCBF0

Deuteranopia (green-blind)

#A7BBEE

Tritanopia (blue-blind)

#00DCDA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #55d1ee;
/* rgb */ color: rgb(85, 209, 238);
/* oklch */ color: oklch(80.3% 0.116 216.0);

Tailwind

colors: {
  custom: {
    50: '#95dff3',
    500: '#55d1ee',
    950: '#000000',
  },
}

SCSS

$custom: #55d1ee;
$custom-light: #95dff3;
$custom-dark: #000000;

JSON

{
  "hex": "#55d1ee",
  "rgb": {
    "r": 85,
    "g": 209,
    "b": 238
  },
  "hsl": {
    "h": 191.373,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.80266,
    "c": 0.11566,
    "h": 216
  },
  "luminance": 0.53705
}

Semantic roles & 50–950 ramp

primary

#55D1EE

secondary

#B64A31

accent

#3007DE

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #55D1EE

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

Preview Lab → · Contrast checker → · Palette generator →