#55C9E4#55C9E4

#55C9E4 is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.0% C 0.110 H 215.7°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#55C9E4
RGB	rgb(85, 201, 228)
HSL	hsl(191, 73%, 61%)
HSV	hsv(191, 63%, 89%)
CMYK	cmyk(62.7%, 11.8%, 0%, 10.6%)
CIE-LAB	lab(75.64, -24.63, -23.12)
CIE-LCH	lch(75.64, 33.78, 223.19°)
OKLab	oklab(78.03% -0.0893 -0.0643)
OKLCH	oklch(78.03% 0.11 215.7)
XYZ	xyz(38.6308, 49.3020, 80.8641)
Luminance	0.4931 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55C9E4 #E47055

analogous

#55E4B8 #55C9E4 #5582E4

triadic

#55C9E4 #E455C9 #C9E455

tetradic

#55C9E4 #B855E4 #E47055 #82E455

square

#55C9E4 #B855E4 #E47055 #82E455

split-complementary

#55C9E4 #E45582 #E4B855

monochromatic

#1A8AA4 #23B7D9 #55C9E4 #8ADAEC #BFEBF5

Accessibility & contrast

On white

1.93

#55C9E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#55C9E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55C9E4

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55C9E4	#FFFFFF	#000000	##000000
##55C9E4	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E6

Deuteranopia (green-blind)

#A2B4E4

Tritanopia (blue-blind)

#00D3D1

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #55c9e4;
/* rgb */ color: rgb(85, 201, 228);
/* oklch */ color: oklch(78.0% 0.110 215.7);

Tailwind

colors: {
  custom: {
    50: '#93d9ec',
    500: '#55c9e4',
    950: '#000000',
  },
}

SCSS

$custom: #55c9e4;
$custom-light: #93d9ec;
$custom-dark: #000000;

JSON

{
  "hex": "#55c9e4",
  "rgb": {
    "r": 85,
    "g": 201,
    "b": 228
  },
  "hsl": {
    "h": 191.329,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.78025,
    "c": 0.11,
    "h": 215.7
  },
  "luminance": 0.49306
}

Semantic roles & 50–950 ramp

primary

#55C9E4

secondary

#E5BAB0

accent

#3611D5

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #55C9E4

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

Preview Lab → · Contrast checker → · Palette generator →