#64AAEF#64AAEF

#64AAEF is a light, vivid cyan. Relative luminance 0.377; OKLCH L 72.1% C 0.124 H 249.6°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX#64AAEF
RGBrgb(100, 170, 239)
HSLhsl(210, 81%, 66%)
HSVhsv(210, 58%, 94%)
CMYKcmyk(58.2%, 28.9%, 0%, 6.3%)
CIE-LABlab(67.79, -2.08, -41.17)
CIE-LCHlch(67.79, 41.22, 267.10°)
OKLaboklab(72.07% -0.0431 -0.1159)
OKLCHoklch(72.07% 0.124 249.6)
XYZxyz(35.2046, 37.6876, 87.0638)
Luminance0.3769 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64AAEF #EFA964
analogous
#64EFEF #64AAEF #6465EF
triadic
#64AAEF #EF64AA #AAEF64
tetradic
#64AAEF #EF64EF #EFA964 #65EF64
square
#64AAEF #EF64EF #EFA964 #65EF64
split-complementary
#64AAEF #EF6465 #EFEF64
monochromatic
#146DC4 #2D8CE9 #64AAEF #9BC8F5 #D3E7FA

Accessibility & contrast

On white

2.46
#64AAEF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.54
#64AAEF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64AAEF
8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64AAEF#FFFFFF#000000##000000
##64AAEF1.002.468.548.54
#FFFFFF2.461.0021.0021.00
#0000008.5421.001.001.00
##0000008.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8DADF2
Deuteranopia (green-blind)
#7A9FEE
Tritanopia (blue-blind)
#00BAC2
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #64aaef;
/* rgb */ color: rgb(100, 170, 239);
/* oklch */ color: oklch(72.1% 0.124 249.6);
Tailwind
colors: {
  custom: {
    50: '#9ac3f4',
    500: '#64aaef',
    950: '#000000',
  },
}
SCSS
$custom: #64aaef;
$custom-light: #9ac3f4;
$custom-dark: #000000;
JSON
{
  "hex": "#64aaef",
  "rgb": {
    "r": 100,
    "g": 170,
    "b": 239
  },
  "hsl": {
    "h": 209.784,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.72073,
    "c": 0.12366,
    "h": 249.6
  },
  "luminance": 0.37691
}

Semantic roles & 50–950 ramp

primary
#64AAEF
secondary
#EED7C1
accent
#7208DE
background
#FAFBFE
surface
#F3F7FD
border
#CDD0D5
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #64AAEF

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

Preview Lab → · Contrast checker → · Palette generator →

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