#55BCD9#55BCD9

#55BCD9 is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.6% C 0.103 H 219.2°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX#55BCD9
RGBrgb(85, 188, 217)
HSLhsl(193, 63%, 59%)
HSVhsv(193, 61%, 85%)
CMYKcmyk(60.8%, 13.4%, 0%, 14.9%)
CIE-LABlab(71.49, -21.31, -23.49)
CIE-LCHlch(71.49, 31.71, 227.78°)
OKLaboklab(74.57% -0.08 -0.0653)
OKLCHoklch(74.57% 0.103 219.2)
XYZxyz(34.2489, 42.9040, 72.1086)
Luminance0.4291 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55BCD9 #D97255
analogous
#55D9B4 #55BCD9 #557AD9
triadic
#55BCD9 #D955BC #BCD955
tetradic
#55BCD9 #B455D9 #D97255 #7AD955
square
#55BCD9 #B455D9 #D97255 #7AD955
split-complementary
#55BCD9 #D9557A #D9B455
monochromatic
#217A93 #2CA3C5 #55BCD9 #87D0E4 #B9E3EF

Accessibility & contrast

On white

2.19
#55BCD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.58
#55BCD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55BCD9
9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55BCD9#FFFFFF#000000##000000
##55BCD91.002.199.589.58
#FFFFFF2.191.0021.0021.00
#0000009.5821.001.001.00
##0000009.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB7DB
Deuteranopia (green-blind)
#97A9D9
Tritanopia (blue-blind)
#00C6C5
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #55bcd9;
/* rgb */ color: rgb(85, 188, 217);
/* oklch */ color: oklch(74.6% 0.103 219.2);
Tailwind
colors: {
  custom: {
    50: '#91d0e4',
    500: '#55bcd9',
    950: '#000000',
  },
}
SCSS
$custom: #55bcd9;
$custom-light: #91d0e4;
$custom-dark: #000000;
JSON
{
  "hex": "#55bcd9",
  "rgb": {
    "r": 85,
    "g": 188,
    "b": 217
  },
  "hsl": {
    "h": 193.182,
    "s": 63.462,
    "l": 59.216
  },
  "oklch": {
    "l": 0.74571,
    "c": 0.10328,
    "h": 219.2
  },
  "luminance": 0.42907
}

Semantic roles & 50–950 ramp

primary
#55BCD9
secondary
#DFB6AB
accent
#6641E6
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1415
muted
#7E8283

Preview Lab

Preview with #55BCD9

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

Preview Lab → · Contrast checker → · Palette generator →

#55BCD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva