#66ABE1#66ABE1

#66ABE1 is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.7% C 0.106 H 243.6°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX#66ABE1
RGBrgb(102, 171, 225)
HSLhsl(206, 67%, 64%)
HSVhsv(206, 55%, 88%)
CMYKcmyk(54.7%, 24%, 0%, 11.8%)
CIE-LABlab(67.56, -6.55, -33.85)
CIE-LCHlch(67.56, 34.48, 259.04°)
OKLaboklab(71.72% -0.047 -0.0947)
OKLCHoklch(71.72% 0.106 243.6)
XYZxyz(33.6281, 37.3840, 76.6633)
Luminance0.3739 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ABE1 #E19C66
analogous
#66E1D9 #66ABE1 #666EE1
triadic
#66ABE1 #E166AB #ABE166
tetradic
#66ABE1 #D966E1 #E19C66 #6EE166
square
#66ABE1 #D966E1 #E19C66 #6EE166
split-complementary
#66ABE1 #E1666E #E1D966
monochromatic
#226FAB #338FD7 #66ABE1 #99C7EB #CCE3F5

Accessibility & contrast

On white

2.48
#66ABE1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.48
#66ABE1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABE1
8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ABE1#FFFFFF#000000##000000
##66ABE11.002.488.488.48
#FFFFFF2.481.0021.0021.00
#0000008.4821.001.001.00
##0000008.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#94ACE4
Deuteranopia (green-blind)
#839FE0
Tritanopia (blue-blind)
#03B8BD
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #66abe1;
/* rgb */ color: rgb(102, 171, 225);
/* oklch */ color: oklch(71.7% 0.106 243.6);
Tailwind
colors: {
  custom: {
    50: '#9ac3ea',
    500: '#66abe1',
    950: '#000000',
  },
}
SCSS
$custom: #66abe1;
$custom-light: #9ac3ea;
$custom-dark: #000000;
JSON
{
  "hex": "#66abe1",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 225
  },
  "hsl": {
    "h": 206.341,
    "s": 67.213,
    "l": 64.118
  },
  "oklch": {
    "l": 0.71724,
    "c": 0.10574,
    "h": 243.6
  },
  "luminance": 0.37387
}

Semantic roles & 50–950 ramp

primary
#66ABE1
secondary
#E7CFBC
accent
#6716CF
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0F1216
muted
#7E8184

Preview Lab

Preview with #66ABE1

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

Preview Lab → · Contrast checker → · Palette generator →

#66ABE1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva