#55ACEE#55ACEE

#55ACEE is a light, vivid cyan. Relative luminance 0.376; OKLCH L 71.9% C 0.128 H 243.9°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX#55ACEE
RGBrgb(85, 172, 238)
HSLhsl(206, 82%, 63%)
HSVhsv(206, 64%, 93%)
CMYKcmyk(64.3%, 27.7%, 0%, 6.7%)
CIE-LABlab(67.73, -6.22, -40.76)
CIE-LCHlch(67.73, 41.23, 261.32°)
OKLaboklab(71.85% -0.0563 -0.1149)
OKLCHoklch(71.85% 0.128 243.9)
XYZxyz(33.9256, 37.6059, 86.3431)
Luminance0.3761 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55ACEE #EE9755
analogous
#55EEE3 #55ACEE #555FEE
triadic
#55ACEE #EE55AC #ACEE55
tetradic
#55ACEE #E355EE #EE9755 #5FEE55
square
#55ACEE #E355EE #EE9755 #5FEE55
split-complementary
#55ACEE #EE555F #EEE355
monochromatic
#1270B6 #1D91E8 #55ACEE #8DC7F4 #C4E2F9

Accessibility & contrast

On white

2.46
#55ACEE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.52
#55ACEE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55ACEE
8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55ACEE#FFFFFF#000000##000000
##55ACEE1.002.468.528.52
#FFFFFF2.461.0021.0021.00
#0000008.5221.001.001.00
##0000008.5221.001.001.00

Color blindness preview

Protanopia (red-blind)
#8FADF1
Deuteranopia (green-blind)
#7A9EED
Tritanopia (blue-blind)
#00BCC3
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #55acee;
/* rgb */ color: rgb(85, 172, 238);
/* oklch */ color: oklch(71.9% 0.128 243.9);
Tailwind
colors: {
  custom: {
    50: '#93c4f4',
    500: '#55acee',
    950: '#000000',
  },
}
SCSS
$custom: #55acee;
$custom-light: #93c4f4;
$custom-dark: #000000;
JSON
{
  "hex": "#55acee",
  "rgb": {
    "r": 85,
    "g": 172,
    "b": 238
  },
  "hsl": {
    "h": 205.882,
    "s": 81.818,
    "l": 63.333
  },
  "oklch": {
    "l": 0.71852,
    "c": 0.12792,
    "h": 243.9
  },
  "luminance": 0.37609
}

Semantic roles & 50–950 ramp

primary
#55ACEE
secondary
#EBCCB4
accent
#6407DE
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1217
muted
#7E8185

Preview Lab

Preview with #55ACEE

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

Preview Lab → · Contrast checker → · Palette generator →

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