#66ABF8#66ABF8

#66ABF8 is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.8% C 0.133 H 252.4°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX#66ABF8
RGBrgb(102, 171, 248)
HSLhsl(212, 91%, 69%)
HSVhsv(212, 59%, 97%)
CMYKcmyk(58.9%, 31%, 0%, 2.7%)
CIE-LABlab(68.55, 0.57, -44.87)
CIE-LCHlch(68.55, 44.88, 270.73°)
OKLaboklab(72.83% -0.0401 -0.1266)
OKLCHoklch(72.83% 0.133 252.4)
XYZxyz(36.9796, 38.7246, 94.3146)
Luminance0.3873 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#66ABF8 #F8B366
analogous
#66F4F8 #66ABF8 #6A66F8
triadic
#66ABF8 #F866AB #ABF866
tetradic
#66ABF8 #F866F4 #F8B366 #66F86A
square
#66ABF8 #F866F4 #F8B366 #66F86A
split-complementary
#66ABF8 #F86A66 #F4F866
monochromatic
#0A6CDA #2B8BF5 #66ABF8 #A1CBFB #DBEBFD

Accessibility & contrast

On white

2.40
#66ABF8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.75
#66ABF8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #66ABF8
8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##66ABF8#FFFFFF#000000##000000
##66ABF81.002.408.758.75
#FFFFFF2.401.0021.0021.00
#0000008.7521.001.001.00
##0000008.7521.001.001.00

Color blindness preview

Protanopia (red-blind)
#8BAFFB
Deuteranopia (green-blind)
#77A1F6
Tritanopia (blue-blind)
#00BDC6
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #66abf8;
/* rgb */ color: rgb(102, 171, 248);
/* oklch */ color: oklch(72.8% 0.133 252.4);
Tailwind
colors: {
  custom: {
    50: '#9cc3fb',
    500: '#66abf8',
    950: '#000000',
  },
}
SCSS
$custom: #66abf8;
$custom-light: #9cc3fb;
$custom-dark: #000000;
JSON
{
  "hex": "#66abf8",
  "rgb": {
    "r": 102,
    "g": 171,
    "b": 248
  },
  "hsl": {
    "h": 211.644,
    "s": 91.25,
    "l": 68.627
  },
  "oklch": {
    "l": 0.72826,
    "c": 0.13282,
    "h": 252.4
  },
  "luminance": 0.38728
}

Semantic roles & 50–950 ramp

primary
#66ABF8
secondary
#F3DEC7
accent
#7900E6
background
#FAFBFF
surface
#F4F7FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #66ABF8

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

Preview Lab → · Contrast checker → · Palette generator →

#66ABF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva