#55B5CC#55B5CC

#55B5CC is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.4% C 0.096 H 215.8°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#55B5CC
RGB	rgb(85, 181, 204)
HSL	hsl(192, 54%, 57%)
HSV	hsv(192, 58%, 80%)
CMYK	cmyk(58.3%, 11.3%, 0%, 20%)
CIE-LAB	lab(68.99, -21.57, -20.17)
CIE-LCH	lch(68.99, 29.53, 223.09°)
OKLab	oklab(72.42% -0.0776 -0.056)
OKLCH	oklch(72.42% 0.096 215.8)
XYZ	xyz(31.1649, 39.3356, 63.0652)
Luminance	0.3934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55B5CC #CC6C55

analogous

#55CCA8 #55B5CC #557ACC

triadic

#55B5CC #CC55B5 #B5CC55

tetradic

#55B5CC #A855CC #CC6C55 #7ACC55

square

#55B5CC #A855CC #CC6C55 #7ACC55

split-complementary

#55B5CC #CC557A #CCA855

monochromatic

#266F80 #3598AF #55B5CC #84C9DA #B3DEE8

Accessibility & contrast

On white

2.37

#55B5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#55B5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B5CC

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55B5CC	#FFFFFF	#000000	##000000
##55B5CC	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5B0CD

Deuteranopia (green-blind)

#93A3CC

Tritanopia (blue-blind)

#00BEBC

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #55b5cc;
/* rgb */ color: rgb(85, 181, 204);
/* oklch */ color: oklch(72.4% 0.096 215.8);

Tailwind

colors: {
  custom: {
    50: '#8fcbdb',
    500: '#55b5cc',
    950: '#000000',
  },
}

SCSS

$custom: #55b5cc;
$custom-light: #8fcbdb;
$custom-dark: #000000;

JSON

{
  "hex": "#55b5cc",
  "rgb": {
    "r": 85,
    "g": 181,
    "b": 204
  },
  "hsl": {
    "h": 191.597,
    "s": 53.846,
    "l": 56.667
  },
  "oklch": {
    "l": 0.7242,
    "c": 0.09567,
    "h": 215.8
  },
  "luminance": 0.39339
}

Semantic roles & 50–950 ramp

primary

#55B5CC

secondary

#D7AFA6

accent

#674BDD

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #55B5CC

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

Preview Lab → · Contrast checker → · Palette generator →