#55B1E4#55B1E4

#55B1E4 is a light, moderate cyan. Relative luminance 0.390; OKLCH L 72.5% C 0.115 H 235.7°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#55B1E4
RGBrgb(85, 177, 228)
HSLhsl(201, 73%, 61%)
HSVhsv(201, 63%, 89%)
CMYKcmyk(62.7%, 22.4%, 0%, 10.6%)
CIE-LABlab(68.73, -12.15, -33.73)
CIE-LCHlch(68.73, 35.86, 250.19°)
OKLaboklab(72.51% -0.0646 -0.0946)
OKLCHoklch(72.51% 0.115 235.7)
XYZxyz(33.4667, 38.9736, 79.1427)
Luminance0.3898 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B1E4 #E48855
analogous
#55E4D0 #55B1E4 #556AE4
triadic
#55B1E4 #E455B1 #B1E455
tetradic
#55B1E4 #D055E4 #E48855 #6AE455
square
#55B1E4 #D055E4 #E48855 #6AE455
split-complementary
#55B1E4 #E4556A #E4D055
monochromatic
#1A73A4 #2398D9 #55B1E4 #8AC9EC #BFE1F5

Accessibility & contrast

On white

2.39
#55B1E4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#55B1E4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B1E4
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B1E4#FFFFFF#000000##000000
##55B1E41.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#99B0E6
Deuteranopia (green-blind)
#85A1E3
Tritanopia (blue-blind)
#00BEC2
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #55b1e4;
/* rgb */ color: rgb(85, 177, 228);
/* oklch */ color: oklch(72.5% 0.115 235.7);
Tailwind
colors: {
  custom: {
    50: '#92c8ec',
    500: '#55b1e4',
    950: '#000000',
  },
}
SCSS
$custom: #55b1e4;
$custom-light: #92c8ec;
$custom-dark: #000000;
JSON
{
  "hex": "#55b1e4",
  "rgb": {
    "r": 85,
    "g": 177,
    "b": 228
  },
  "hsl": {
    "h": 201.399,
    "s": 72.589,
    "l": 61.373
  },
  "oklch": {
    "l": 0.72508,
    "c": 0.11451,
    "h": 235.7
  },
  "luminance": 0.38977
}

Semantic roles & 50–950 ramp

primary
#55B1E4
secondary
#E5C3B0
accent
#5711D5
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #55B1E4

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

Preview Lab → · Contrast checker → · Palette generator →

#55B1E4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva