#55B4E1#55B4E1

#55B4E1 is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.1% C 0.111 H 231.6°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX#55B4E1
RGBrgb(85, 180, 225)
HSLhsl(199, 70%, 61%)
HSVhsv(199, 62%, 88%)
CMYKcmyk(62.2%, 20%, 0%, 11.8%)
CIE-LABlab(69.47, -14.70, -30.95)
CIE-LCHlch(69.47, 34.26, 244.59°)
OKLaboklab(73.06% -0.0687 -0.0866)
OKLCHoklch(73.06% 0.111 231.6)
XYZxyz(33.6529, 40.0067, 77.1681)
Luminance0.4001 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55B4E1 #E18255
analogous
#55E1C8 #55B4E1 #556EE1
triadic
#55B4E1 #E155B4 #B4E155
tetradic
#55B4E1 #C855E1 #E18255 #6EE155
square
#55B4E1 #C855E1 #E18255 #6EE155
split-complementary
#55B4E1 #E1556E #E1C855
monochromatic
#1C759F #259BD3 #55B4E1 #89CBEA #BDE2F3

Accessibility & contrast

On white

2.33
#55B4E1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.00
#55B4E1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55B4E1
9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55B4E1#FFFFFF#000000##000000
##55B4E11.002.339.009.00
#FFFFFF2.331.0021.0021.00
#0000009.0021.001.001.00
##0000009.0021.001.001.00

Color blindness preview

Protanopia (red-blind)
#9EB2E3
Deuteranopia (green-blind)
#8AA3E0
Tritanopia (blue-blind)
#00C0C3
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #55b4e1;
/* rgb */ color: rgb(85, 180, 225);
/* oklch */ color: oklch(73.1% 0.111 231.6);
Tailwind
colors: {
  custom: {
    50: '#92caea',
    500: '#55b4e1',
    950: '#000000',
  },
}
SCSS
$custom: #55b4e1;
$custom-light: #92caea;
$custom-dark: #000000;
JSON
{
  "hex": "#55b4e1",
  "rgb": {
    "r": 85,
    "g": 180,
    "b": 225
  },
  "hsl": {
    "h": 199.286,
    "s": 70,
    "l": 60.784
  },
  "oklch": {
    "l": 0.73059,
    "c": 0.11052,
    "h": 231.6
  },
  "luminance": 0.4001
}

Semantic roles & 50–950 ramp

primary
#55B4E1
secondary
#E3BFAE
accent
#5114D2
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #55B4E1

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

Preview Lab → · Contrast checker → · Palette generator →

#55B4E1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva