#55CDE9#55CDE9

#55CDE9 is a light, moderate cyan. Relative luminance 0.515; OKLCH L 79.1% C 0.113 H 215.9°. Best body text is #000000 at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#55CDE9
RGB	rgb(85, 205, 233)
HSL	hsl(191, 77%, 62%)
HSV	hsv(191, 64%, 91%)
CMYK	cmyk(63.5%, 12%, 0%, 8.6%)
CIE-LAB	lab(76.96, -25.14, -23.79)
CIE-LCH	lch(76.96, 34.61, 223.41°)
OKLab	oklab(79.15% -0.0914 -0.0661)
OKLCH	oklch(79.15% 0.113 215.9)
XYZ	xyz(40.2796, 51.4728, 84.8875)
Luminance	0.5148 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55CDE9 #E97155

analogous

#55E9BB #55CDE9 #5583E9

triadic

#55CDE9 #E955CD #CDE955

tetradic

#55CDE9 #BB55E9 #E97155 #83E955

square

#55CDE9 #BB55E9 #E97155 #83E955

split-complementary

#55CDE9 #E95583 #E9BB55

monochromatic

#1691AD #1FBDE2 #55CDE9 #8BDDF0 #C1EDF7

Accessibility & contrast

On white

1.86

#55CDE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.30

#55CDE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55CDE9

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55CDE9	#FFFFFF	#000000	##000000
##55CDE9	1.00	1.86	11.30	11.30
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.30	21.00	1.00	1.00
##000000	11.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC7EB

Deuteranopia (green-blind)

#A4B7E9

Tritanopia (blue-blind)

#00D7D6

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #55cde9;
/* rgb */ color: rgb(85, 205, 233);
/* oklch */ color: oklch(79.1% 0.113 215.9);

Tailwind

colors: {
  custom: {
    50: '#94dcf0',
    500: '#55cde9',
    950: '#000000',
  },
}

SCSS

$custom: #55cde9;
$custom-light: #94dcf0;
$custom-dark: #000000;

JSON

{
  "hex": "#55cde9",
  "rgb": {
    "r": 85,
    "g": 205,
    "b": 233
  },
  "hsl": {
    "h": 191.351,
    "s": 77.083,
    "l": 62.353
  },
  "oklch": {
    "l": 0.79147,
    "c": 0.11285,
    "h": 215.9
  },
  "luminance": 0.51477
}

Semantic roles & 50–950 ramp

primary

#55CDE9

secondary

#AE4B34

accent

#330CD9

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #55CDE9

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

Preview Lab → · Contrast checker → · Palette generator →