#66BEE8#66BEE8

#66BEE8 is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.3% C 0.104 H 230.9°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX#66BEE8
RGBrgb(102, 190, 232)
HSLhsl(199, 74%, 65%)
HSVhsv(199, 56%, 91%)
CMYKcmyk(56%, 18.1%, 0%, 9%)
CIE-LABlab(73.20, -14.70, -28.96)
CIE-LCHlch(73.20, 32.47, 243.09°)
OKLaboklab(76.29% -0.0655 -0.0807)
OKLCHoklch(76.29% 0.104 230.9)
XYZxyz(38.4529, 45.4744, 83.0793)
Luminance0.4548 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66BEE8 #E89066
analogous
#66E8D1 #66BEE8 #667DE8
triadic
#66BEE8 #E866BE #BEE866
tetradic
#66BEE8 #D166E8 #E89066 #7DE866
square
#66BEE8 #D166E8 #E89066 #7DE866
split-complementary
#66BEE8 #E8667D #E8D166
monochromatic
#1C85B8 #31A7E0 #66BEE8 #9BD5F0 #D0EBF8

Accessibility & contrast

On white

2.08
#66BEE8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.10
#66BEE8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66BEE8
10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66BEE8#FFFFFF#000000##000000
##66BEE81.002.0810.1010.10
#FFFFFF2.081.0021.0021.00
#00000010.1021.001.001.00
##00000010.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#A9BCEA
Deuteranopia (green-blind)
#97AEE7
Tritanopia (blue-blind)
#00CACC
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #66bee8;
/* rgb */ color: rgb(102, 190, 232);
/* oklch */ color: oklch(76.3% 0.104 230.9);
Tailwind
colors: {
  custom: {
    50: '#9bd1ef',
    500: '#66bee8',
    950: '#000000',
  },
}
SCSS
$custom: #66bee8;
$custom-light: #9bd1ef;
$custom-dark: #000000;
JSON
{
  "hex": "#66bee8",
  "rgb": {
    "r": 102,
    "g": 190,
    "b": 232
  },
  "hsl": {
    "h": 199.385,
    "s": 73.864,
    "l": 65.49
  },
  "oklch": {
    "l": 0.76285,
    "c": 0.1039,
    "h": 230.9
  },
  "luminance": 0.45478
}

Semantic roles & 50–950 ramp

primary
#66BEE8
secondary
#EBCDBF
accent
#5010D6
background
#FAFCFE
surface
#F3F9FD
border
#CDD2D5
text
#0F1416
muted
#7F8284

Preview Lab

Preview with #66BEE8

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

Preview Lab → · Contrast checker → · Palette generator →

#66BEE8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva