#66ABC2#66ABC2

#66ABC2 is a light, moderate cyan. Relative luminance 0.358; OKLCH L 70.4% C 0.077 H 221.5°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX#66ABC2
RGBrgb(102, 171, 194)
HSLhsl(195, 43%, 58%)
HSVhsv(195, 47%, 76%)
CMYKcmyk(47.4%, 11.9%, 0%, 23.9%)
CIE-LABlab(66.40, -15.59, -18.53)
CIE-LCHlch(66.40, 24.22, 229.93°)
OKLaboklab(70.42% -0.058 -0.0512)
OKLCHoklch(70.42% 0.077 221.5)
XYZxyz(29.7764, 35.8433, 56.3778)
Luminance0.3585 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ABC2 #C27D66
analogous
#66C2AB #66ABC2 #667DC2
triadic
#66ABC2 #C266AB #ABC266
tetradic
#66ABC2 #AB66C2 #C27D66 #7DC266
square
#66ABC2 #AB66C2 #C27D66 #7DC266
split-complementary
#66ABC2 #C2667D #C2AB66
monochromatic
#31697C #438FA8 #66ABC2 #92C3D3 #BEDBE5

Accessibility & contrast

On white

2.57
#66ABC2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.17
#66ABC2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABC2
8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ABC2#FFFFFF#000000##000000
##66ABC21.002.578.178.17
#FFFFFF2.571.0021.0021.00
#0000008.1721.001.001.00
##0000008.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DA7C3
Deuteranopia (green-blind)
#8F9DC2
Tritanopia (blue-blind)
#38B3B2
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #66abc2;
/* rgb */ color: rgb(102, 171, 194);
/* oklch */ color: oklch(70.4% 0.077 221.5);
Tailwind
colors: {
  custom: {
    50: '#97c4d4',
    500: '#66abc2',
    950: '#000000',
  },
}
SCSS
$custom: #66abc2;
$custom-light: #97c4d4;
$custom-dark: #000000;
JSON
{
  "hex": "#66abc2",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 194
  },
  "hsl": {
    "h": 195,
    "s": 42.991,
    "l": 58.039
  },
  "oklch": {
    "l": 0.70416,
    "c": 0.07734,
    "h": 221.5
  },
  "luminance": 0.35846
}

Semantic roles & 50–950 ramp

primary
#66ABC2
secondary
#D4B9B0
accent
#7455D3
background
#F9FCFD
surface
#F2F8FA
border
#CCD1D3
text
#0E1214
muted
#7E8183

Preview Lab

Preview with #66ABC2

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

Preview Lab → · Contrast checker → · Palette generator →

#66ABC2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva