#55CEE9#55CEE9

#55CEE9 is a light, moderate cyan. Relative luminance 0.520; OKLCH L 79.4% C 0.113 H 215.1°. Best body text is #000000 at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#55CEE9
RGB	rgb(85, 206, 233)
HSL	hsl(191, 77%, 62%)
HSV	hsv(191, 64%, 91%)
CMYK	cmyk(63.5%, 11.6%, 0%, 8.6%)
CIE-LAB	lab(77.25, -25.64, -23.35)
CIE-LCH	lch(77.25, 34.68, 222.32°)
OKLab	oklab(79.38% -0.0924 -0.0649)
OKLCH	oklch(79.38% 0.113 215.1)
XYZ	xyz(40.5195, 51.9528, 84.9674)
Luminance	0.5196 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55CEE9 #E97055

analogous

#55E9BA #55CEE9 #5584E9

triadic

#55CEE9 #E955CE #CEE955

tetradic

#55CEE9 #BA55E9 #E97055 #84E955

square

#55CEE9 #BA55E9 #E97055 #84E955

split-complementary

#55CEE9 #E95584 #E9BA55

monochromatic

#1692AD #1FBEE2 #55CEE9 #8BDEF0 #C1EDF7

Accessibility & contrast

On white

1.84

#55CEE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.39

#55CEE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55CEE9

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55CEE9	#FFFFFF	#000000	##000000
##55CEE9	1.00	1.84	11.39	11.39
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.39	21.00	1.00	1.00
##000000	11.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC8EB

Deuteranopia (green-blind)

#A6B8E9

Tritanopia (blue-blind)

#00D8D6

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #55cee9;
/* rgb */ color: rgb(85, 206, 233);
/* oklch */ color: oklch(79.4% 0.113 215.1);

Tailwind

colors: {
  custom: {
    50: '#94ddf0',
    500: '#55cee9',
    950: '#000000',
  },
}

SCSS

$custom: #55cee9;
$custom-light: #94ddf0;
$custom-dark: #000000;

JSON

{
  "hex": "#55cee9",
  "rgb": {
    "r": 85,
    "g": 206,
    "b": 233
  },
  "hsl": {
    "h": 190.946,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.79378,
    "c": 0.11295,
    "h": 215.1
  },
  "luminance": 0.51957
}

Semantic roles & 50–950 ramp

primary

#55CEE9

secondary

#AE4A34

accent

#320CD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #55CEE9

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

Preview Lab → · Contrast checker → · Palette generator →