#66ABE7#66ABE7

#66ABE7 is a light, moderate cyan. Relative luminance 0.377; OKLCH L 72.0% C 0.113 H 246.4°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX#66ABE7
RGBrgb(102, 171, 231)
HSLhsl(208, 73%, 65%)
HSVhsv(208, 56%, 91%)
CMYKcmyk(55.8%, 26%, 0%, 9.4%)
CIE-LABlab(67.81, -4.72, -36.75)
CIE-LCHlch(67.81, 37.06, 262.68°)
OKLaboklab(72% -0.0451 -0.1031)
OKLCHoklch(72% 0.113 246.4)
XYZxyz(34.4610, 37.7171, 81.0499)
Luminance0.3772 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ABE7 #E7A266
analogous
#66E7E2 #66ABE7 #666AE7
triadic
#66ABE7 #E766AB #ABE766
tetradic
#66ABE7 #E266E7 #E7A266 #6AE766
square
#66ABE7 #E266E7 #E7A266 #6AE766
split-complementary
#66ABE7 #E7666A #E7E266
monochromatic
#1D6FB6 #318EDF #66ABE7 #9BC8EF #D0E5F8

Accessibility & contrast

On white

2.46
#66ABE7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.54
#66ABE7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABE7
8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ABE7#FFFFFF#000000##000000
##66ABE71.002.468.548.54
#FFFFFF2.461.0021.0021.00
#0000008.5421.001.001.00
##0000008.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#91ACEA
Deuteranopia (green-blind)
#809FE6
Tritanopia (blue-blind)
#00B9C0
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #66abe7;
/* rgb */ color: rgb(102, 171, 231);
/* oklch */ color: oklch(72.0% 0.113 246.4);
Tailwind
colors: {
  custom: {
    50: '#9ac3ef',
    500: '#66abe7',
    950: '#000000',
  },
}
SCSS
$custom: #66abe7;
$custom-light: #9ac3ef;
$custom-dark: #000000;
JSON
{
  "hex": "#66abe7",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 231
  },
  "hsl": {
    "h": 207.907,
    "s": 72.881,
    "l": 65.294
  },
  "oklch": {
    "l": 0.72001,
    "c": 0.11253,
    "h": 246.4
  },
  "luminance": 0.3772
}

Semantic roles & 50–950 ramp

primary
#66ABE7
secondary
#EAD3BF
accent
#6C11D5
background
#FAFCFE
surface
#F3F8FD
border
#CDD1D5
text
#0F1216
muted
#7F8184

Preview Lab

Preview with #66ABE7

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

Preview Lab → · Contrast checker → · Palette generator →

#66ABE7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva