#66ABFA#66ABFA

#66ABFA is a light, vivid cyan. Relative luminance 0.389; OKLCH L 72.9% C 0.135 H 253.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#66ABFA
RGBrgb(102, 171, 250)
HSLhsl(212, 94%, 69%)
HSVhsv(212, 59%, 98%)
CMYKcmyk(59.2%, 31.6%, 0%, 2%)
CIE-LABlab(68.64, 1.20, -45.82)
CIE-LCHlch(68.64, 45.83, 271.50°)
OKLaboklab(72.93% -0.0396 -0.1294)
OKLCHoklch(72.93% 0.135 253)
XYZxyz(37.2915, 38.8494, 95.9574)
Luminance0.3885 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ABFA #FAB566
analogous
#66F5FA #66ABFA #6B66FA
triadic
#66ABFA #FA66AB #ABFA66
tetradic
#66ABFA #FA66F5 #FAB566 #66FA6B
square
#66ABFA #FA66F5 #FAB566 #66FA6B
split-complementary
#66ABFA #FA6B66 #F5FA66
monochromatic
#076CDE #2B8AF8 #66ABFA #A1CCFC #DDECFE

Accessibility & contrast

On white

2.39
#66ABFA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.77
#66ABFA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABFA
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ABFA#FFFFFF#000000##000000
##66ABFA1.002.398.778.77
#FFFFFF2.391.0021.0021.00
#0000008.7721.001.001.00
##0000008.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#8AAFFD
Deuteranopia (green-blind)
#76A1F8
Tritanopia (blue-blind)
#00BDC7
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #66abfa;
/* rgb */ color: rgb(102, 171, 250);
/* oklch */ color: oklch(72.9% 0.135 253.0);
Tailwind
colors: {
  custom: {
    50: '#9dc3fc',
    500: '#66abfa',
    950: '#000000',
  },
}
SCSS
$custom: #66abfa;
$custom-light: #9dc3fc;
$custom-dark: #000000;
JSON
{
  "hex": "#66abfa",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 250
  },
  "hsl": {
    "h": 212.027,
    "s": 93.671,
    "l": 69.02
  },
  "oklch": {
    "l": 0.72927,
    "c": 0.13527,
    "h": 253
  },
  "luminance": 0.38853
}

Semantic roles & 50–950 ramp

primary
#66ABFA
secondary
#F4DFC8
accent
#7B00E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #66ABFA

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

Preview Lab → · Contrast checker → · Palette generator →

#66ABFA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva