#55B4E3#55B4E3

#55B4E3 is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.1% C 0.112 H 232.7°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX#55B4E3
RGBrgb(85, 180, 227)
HSLhsl(200, 72%, 61%)
HSVhsv(200, 63%, 89%)
CMYKcmyk(62.6%, 20.7%, 0%, 11%)
CIE-LABlab(69.55, -14.08, -31.92)
CIE-LCHlch(69.55, 34.88, 246.20°)
OKLaboklab(73.15% -0.068 -0.0893)
OKLCHoklch(73.15% 0.112 232.7)
XYZxyz(33.9273, 40.1164, 78.6134)
Luminance0.4012 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B4E3 #E38455
analogous
#55E3CB #55B4E3 #556DE3
triadic
#55B4E3 #E355B4 #B4E355
tetradic
#55B4E3 #CB55E3 #E38455 #6DE355
square
#55B4E3 #CB55E3 #E38455 #6DE355
split-complementary
#55B4E3 #E3556D #E3CB55
monochromatic
#1B76A3 #239CD7 #55B4E3 #8ACBEC #BEE2F4

Accessibility & contrast

On white

2.33
#55B4E3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.02
#55B4E3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B4E3
9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B4E3#FFFFFF#000000##000000
##55B4E31.002.339.029.02
#FFFFFF2.331.0021.0021.00
#0000009.0221.001.001.00
##0000009.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB2E5
Deuteranopia (green-blind)
#89A4E2
Tritanopia (blue-blind)
#00C1C4
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #55b4e3;
/* rgb */ color: rgb(85, 180, 227);
/* oklch */ color: oklch(73.1% 0.112 232.7);
Tailwind
colors: {
  custom: {
    50: '#92caec',
    500: '#55b4e3',
    950: '#000000',
  },
}
SCSS
$custom: #55b4e3;
$custom-light: #92caec;
$custom-dark: #000000;
JSON
{
  "hex": "#55b4e3",
  "rgb": {
    "r": 85,
    "g": 180,
    "b": 227
  },
  "hsl": {
    "h": 199.859,
    "s": 71.717,
    "l": 61.176
  },
  "oklch": {
    "l": 0.73147,
    "c": 0.11228,
    "h": 232.7
  },
  "luminance": 0.4012
}

Semantic roles & 50–950 ramp

primary
#55B4E3
secondary
#E5C1AF
accent
#5212D4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #55B4E3

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

Preview Lab → · Contrast checker → · Palette generator →

#55B4E3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva