#55B0DD#55B0DD

#55B0DD is a light, moderate cyan. Relative luminance 0.382; OKLCH L 72.0% C 0.108 H 232.5°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX#55B0DD
RGBrgb(85, 176, 221)
HSLhsl(200, 67%, 60%)
HSVhsv(200, 62%, 87%)
CMYKcmyk(61.5%, 20.4%, 0%, 13.3%)
CIE-LABlab(68.17, -13.81, -30.77)
CIE-LCHlch(68.17, 33.73, 245.84°)
OKLaboklab(71.97% -0.0659 -0.0861)
OKLCHoklch(71.97% 0.108 232.5)
XYZxyz(32.3177, 38.1992, 74.0626)
Luminance0.3820 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B0DD #DD8255
analogous
#55DDC6 #55B0DD #556CDD
triadic
#55B0DD #DD55B0 #B0DD55
tetradic
#55B0DD #C655DD #DD8255 #6CDD55
square
#55B0DD #C655DD #DD8255 #6CDD55
split-complementary
#55B0DD #DD556C #DDC655
monochromatic
#1F7099 #2996CC #55B0DD #88C8E7 #BBDFF1

Accessibility & contrast

On white

2.43
#55B0DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.64
#55B0DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B0DD
8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B0DD#FFFFFF#000000##000000
##55B0DD1.002.438.648.64
#FFFFFF2.431.0021.0021.00
#0000008.6421.001.001.00
##0000008.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AAEDF
Deuteranopia (green-blind)
#87A0DC
Tritanopia (blue-blind)
#00BCBF
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #55b0dd;
/* rgb */ color: rgb(85, 176, 221);
/* oklch */ color: oklch(72.0% 0.108 232.5);
Tailwind
colors: {
  custom: {
    50: '#91c7e7',
    500: '#55b0dd',
    950: '#000000',
  },
}
SCSS
$custom: #55b0dd;
$custom-light: #91c7e7;
$custom-dark: #000000;
JSON
{
  "hex": "#55b0dd",
  "rgb": {
    "r": 85,
    "g": 176,
    "b": 221
  },
  "hsl": {
    "h": 199.853,
    "s": 66.667,
    "l": 60
  },
  "oklch": {
    "l": 0.71967,
    "c": 0.10843,
    "h": 232.5
  },
  "luminance": 0.38202
}

Semantic roles & 50–950 ramp

primary
#55B0DD
secondary
#E1BEAD
accent
#773EEA
background
#F9FCFE
surface
#F2F8FC
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #55B0DD

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

Preview Lab → · Contrast checker → · Palette generator →

#55B0DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva