#64ACF8#64ACF8

#64ACF8 is a light, vivid cyan. Relative luminance 0.390; OKLCH L 73.0% C 0.133 H 251.3°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX#64ACF8
RGBrgb(100, 172, 248)
HSLhsl(211, 91%, 68%)
HSVhsv(211, 60%, 97%)
CMYKcmyk(59.7%, 30.6%, 0%, 2.7%)
CIE-LABlab(68.74, -0.37, -44.58)
CIE-LCHlch(68.74, 44.58, 269.53°)
OKLaboklab(72.95% -0.0427 -0.1258)
OKLCHoklch(72.95% 0.133 251.3)
XYZxyz(36.9452, 38.9883, 94.3673)
Luminance0.3899 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64ACF8 #F8B064
analogous
#64F6F8 #64ACF8 #6664F8
triadic
#64ACF8 #F864AC #ACF864
tetradic
#64ACF8 #F864F6 #F8B064 #64F866
square
#64ACF8 #F864F6 #F8B064 #64F866
split-complementary
#64ACF8 #F86664 #F6F864
monochromatic
#0A6ED8 #298DF5 #64ACF8 #9FCBFB #D9EBFD

Accessibility & contrast

On white

2.39
#64ACF8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.80
#64ACF8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACF8
8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64ACF8#FFFFFF#000000##000000
##64ACF81.002.398.808.80
#FFFFFF2.391.0021.0021.00
#0000008.8021.001.001.00
##0000008.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8CB0FB
Deuteranopia (green-blind)
#78A1F6
Tritanopia (blue-blind)
#00BEC7
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #64acf8;
/* rgb */ color: rgb(100, 172, 248);
/* oklch */ color: oklch(73.0% 0.133 251.3);
Tailwind
colors: {
  custom: {
    50: '#9bc4fb',
    500: '#64acf8',
    950: '#000000',
  },
}
SCSS
$custom: #64acf8;
$custom-light: #9bc4fb;
$custom-dark: #000000;
JSON
{
  "hex": "#64acf8",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 248
  },
  "hsl": {
    "h": 210.811,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.72953,
    "c": 0.13282,
    "h": 251.3
  },
  "luminance": 0.38992
}

Semantic roles & 50–950 ramp

primary
#64ACF8
secondary
#F2DDC5
accent
#7600E6
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #64ACF8

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

Preview Lab → · Contrast checker → · Palette generator →

#64ACF8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva