#55D5F9#55D5F9

#55D5F9 is a light, vivid cyan. Relative luminance 0.564; OKLCH L 81.6% C 0.122 H 219.9°. Best body text is #000000 at 12.27:1 contrast (WCAG AA passes).

Color values

HEX#55D5F9
RGBrgb(85, 213, 249)
HSLhsl(193, 93%, 65%)
HSVhsv(193, 66%, 98%)
CMYKcmyk(65.9%, 14.5%, 0%, 2.4%)
CIE-LABlab(79.82, -24.36, -27.99)
CIE-LCHlch(79.82, 37.11, 228.96°)
OKLaboklab(81.62% -0.0934 -0.078)
OKLCHoklch(81.62% 0.122 219.9)
XYZxyz(44.6324, 56.3545, 98.1294)
Luminance0.5636 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#55D5F9 #F97955
analogous
#55F9CB #55D5F9 #5583F9
triadic
#55D5F9 #F955D5 #D5F955
tetradic
#55D5F9 #CB55F9 #F97955 #83F955
square
#55D5F9 #CB55F9 #F97955 #83F955
split-complementary
#55D5F9 #F95583 #F9CB55
monochromatic
#07A1CC #1AC6F7 #55D5F9 #90E4FB #CBF2FD

Accessibility & contrast

On white

1.71
#55D5F9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.27
#55D5F9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #55D5F9
12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##55D5F9#FFFFFF#000000##000000
##55D5F91.001.7112.2712.27
#FFFFFF1.711.0021.0021.00
#00000012.2721.001.001.00
##00000012.2721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BFD0FB
Deuteranopia (green-blind)
#A8BEF9
Tritanopia (blue-blind)
#00E1E0
Achromatopsia (no color)
#C6C6C6

Design tokens & code

CSS
--color: #55d5f9;
/* rgb */ color: rgb(85, 213, 249);
/* oklch */ color: oklch(81.6% 0.122 219.9);
Tailwind
colors: {
  custom: {
    50: '#96e2fb',
    500: '#55d5f9',
    950: '#000000',
  },
}
SCSS
$custom: #55d5f9;
$custom-light: #96e2fb;
$custom-dark: #000000;
JSON
{
  "hex": "#55d5f9",
  "rgb": {
    "r": 85,
    "g": 213,
    "b": 249
  },
  "hsl": {
    "h": 193.171,
    "s": 93.182,
    "l": 65.49
  },
  "oklch": {
    "l": 0.81619,
    "c": 0.12168,
    "h": 219.9
  },
  "luminance": 0.56359
}

Semantic roles & 50–950 ramp

primary
#55D5F9
secondary
#C84D2A
accent
#3200E6
background
#FCFEFF
surface
#F5FCFF
border
#CFD5D7
text
#0F1517
muted
#808485

Preview Lab

Preview with #55D5F9

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

Preview Lab → · Contrast checker → · Palette generator →

#55D5F9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva