#55B4CD#55B4CD

#55B4CD is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.2% C 0.096 H 217.6°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#55B4CD
RGB	rgb(85, 180, 205)
HSL	hsl(193, 55%, 57%)
HSV	hsv(193, 59%, 80%)
CMYK	cmyk(58.5%, 12.2%, 0%, 19.6%)
CIE-LAB	lab(68.74, -20.76, -21.12)
CIE-LCH	lch(68.74, 29.61, 225.49°)
OKLab	oklab(72.22% -0.0761 -0.0586)
OKLCH	oklch(72.22% 0.096 217.6)
XYZ	xyz(31.0826, 38.9785, 63.6313)
Luminance	0.3898 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B4CD #CD6E55

analogous

#55CDAA #55B4CD #5578CD

triadic

#55B4CD #CD55B4 #B4CD55

tetradic

#55B4CD #AA55CD #CD6E55 #78CD55

square

#55B4CD #AA55CD #CD6E55 #78CD55

split-complementary

#55B4CD #CD5578 #CDAA55

monochromatic

#266E82 #3497B1 #55B4CD #84C9DB #B4DEE9

Accessibility & contrast

On white

2.39

#55B4CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#55B4CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B4CD

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B4CD	#FFFFFF	#000000	##000000
##55B4CD	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AFCE

Deuteranopia (green-blind)

#92A2CD

Tritanopia (blue-blind)

#00BDBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #55b4cd;
/* rgb */ color: rgb(85, 180, 205);
/* oklch */ color: oklch(72.2% 0.096 217.6);

Tailwind

colors: {
  custom: {
    50: '#90cadc',
    500: '#55b4cd',
    950: '#000000',
  },
}

SCSS

$custom: #55b4cd;
$custom-light: #90cadc;
$custom-dark: #000000;

JSON

{
  "hex": "#55b4cd",
  "rgb": {
    "r": 85,
    "g": 180,
    "b": 205
  },
  "hsl": {
    "h": 192.5,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.72225,
    "c": 0.09608,
    "h": 217.6
  },
  "luminance": 0.38982
}

Semantic roles & 50–950 ramp

primary

#55B4CD

secondary

#D7B1A6

accent

#694ADE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #55B4CD

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

Preview Lab → · Contrast checker → · Palette generator →