#55B5CD#55B5CD

#55B5CD is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.5% C 0.096 H 216.6°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#55B5CD
RGB	rgb(85, 181, 205)
HSL	hsl(192, 55%, 57%)
HSV	hsv(192, 59%, 80%)
CMYK	cmyk(58.5%, 11.7%, 0%, 19.6%)
CIE-LAB	lab(69.03, -21.28, -20.67)
CIE-LCH	lch(69.03, 29.66, 224.17°)
OKLab	oklab(72.46% -0.0772 -0.0574)
OKLCH	oklch(72.46% 0.096 216.6)
XYZ	xyz(31.2852, 39.3837, 63.6989)
Luminance	0.3939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B5CD #CD6D55

analogous

#55CDA9 #55B5CD #5579CD

triadic

#55B5CD #CD55B5 #B5CD55

tetradic

#55B5CD #A955CD #CD6D55 #79CD55

square

#55B5CD #A955CD #CD6D55 #79CD55

split-complementary

#55B5CD #CD5579 #CDA955

monochromatic

#266F82 #3498B1 #55B5CD #84CADB #B4DEE9

Accessibility & contrast

On white

2.37

#55B5CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#55B5CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B5CD

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B5CD	#FFFFFF	#000000	##000000
##55B5CD	1.00	2.37	8.88	8.88
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CE

Deuteranopia (green-blind)

#93A3CD

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #55b5cd;
/* rgb */ color: rgb(85, 181, 205);
/* oklch */ color: oklch(72.5% 0.096 216.6);

Tailwind

colors: {
  custom: {
    50: '#90cbdc',
    500: '#55b5cd',
    950: '#000000',
  },
}

SCSS

$custom: #55b5cd;
$custom-light: #90cbdc;
$custom-dark: #000000;

JSON

{
  "hex": "#55b5cd",
  "rgb": {
    "r": 85,
    "g": 181,
    "b": 205
  },
  "hsl": {
    "h": 192,
    "s": 54.545,
    "l": 56.863
  },
  "oklch": {
    "l": 0.72459,
    "c": 0.09618,
    "h": 216.6
  },
  "luminance": 0.39387
}

Semantic roles & 50–950 ramp

primary

#55B5CD

secondary

#D7B0A6

accent

#684ADE

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #55B5CD

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

Preview Lab → · Contrast checker → · Palette generator →