#66B2F7#66B2F7

#66B2F7 is a light, vivid cyan. Relative luminance 0.414; OKLCH L 74.3% C 0.126 H 247.7°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Color values

HEX#66B2F7
RGBrgb(102, 178, 247)
HSLhsl(209, 90%, 68%)
HSVhsv(209, 59%, 97%)
CMYKcmyk(58.7%, 27.9%, 0%, 3.1%)
CIE-LABlab(70.44, -3.65, -41.37)
CIE-LCHlch(70.44, 41.53, 264.95°)
OKLaboklab(74.3% -0.0477 -0.1164)
OKLCHoklch(74.3% 0.126 247.7)
XYZxyz(38.1823, 41.3775, 93.9521)
Luminance0.4138 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66B2F7 #F7AB66
analogous
#66F7F4 #66B2F7 #6669F7
triadic
#66B2F7 #F766B2 #B2F766
tetradic
#66B2F7 #F466F7 #F7AB66 #69F766
square
#66B2F7 #F466F7 #F7AB66 #69F766
split-complementary
#66B2F7 #F76669 #F7F466
monochromatic
#0B76D7 #2C95F4 #66B2F7 #A0CFFA #DAEDFD

Accessibility & contrast

On white

2.26
#66B2F7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.28
#66B2F7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66B2F7
9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66B2F7#FFFFFF#000000##000000
##66B2F71.002.269.289.28
#FFFFFF2.261.0021.0021.00
#0000009.2821.001.001.00
##0000009.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#94B4FA
Deuteranopia (green-blind)
#81A6F6
Tritanopia (blue-blind)
#00C2CA
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #66b2f7;
/* rgb */ color: rgb(102, 178, 247);
/* oklch */ color: oklch(74.3% 0.126 247.7);
Tailwind
colors: {
  custom: {
    50: '#9cc8fa',
    500: '#66b2f7',
    950: '#000000',
  },
}
SCSS
$custom: #66b2f7;
$custom-light: #9cc8fa;
$custom-dark: #000000;
JSON
{
  "hex": "#66b2f7",
  "rgb": {
    "r": 102,
    "g": 178,
    "b": 247
  },
  "hsl": {
    "h": 208.552,
    "s": 90.062,
    "l": 68.431
  },
  "oklch": {
    "l": 0.74295,
    "c": 0.12582,
    "h": 247.7
  },
  "luminance": 0.41381
}

Semantic roles & 50–950 ramp

primary
#66B2F7
secondary
#F2DBC7
accent
#6D00E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #66B2F7

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

Preview Lab → · Contrast checker → · Palette generator →

#66B2F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva