#64A3EF#64A3EF

#64A3EF is a light, vivid cyan. Relative luminance 0.351; OKLCH L 70.6% C 0.130 H 254.0°. Best body text is #000000 at 8.03:1 contrast (WCAG AA passes).

Color values

HEX#64A3EF
RGBrgb(100, 163, 239)
HSLhsl(213, 81%, 66%)
HSVhsv(213, 58%, 94%)
CMYKcmyk(58.2%, 31.8%, 0%, 6.3%)
CIE-LABlab(65.85, 1.87, -44.21)
CIE-LCHlch(65.85, 44.25, 272.43°)
OKLaboklab(70.55% -0.0357 -0.1248)
OKLCHoklch(70.55% 0.13 254)
XYZxyz(33.9272, 35.1327, 86.6380)
Luminance0.3514 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64A3EF #EFB064
analogous
#64E9EF #64A3EF #6B64EF
triadic
#64A3EF #EF64A3 #A3EF64
tetradic
#64A3EF #EF64E9 #EFB064 #64EF6B
square
#64A3EF #EF64E9 #EFB064 #64EF6B
split-complementary
#64A3EF #EF6B64 #E9EF64
monochromatic
#1464C4 #2D82E9 #64A3EF #9BC4F5 #D3E5FA

Accessibility & contrast

On white

2.62
#64A3EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.03
#64A3EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3EF
8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64A3EF#FFFFFF#000000##000000
##64A3EF1.002.628.038.03
#FFFFFF2.621.0021.0021.00
#0000008.0321.001.001.00
##0000008.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#83A7F2
Deuteranopia (green-blind)
#719AED
Tritanopia (blue-blind)
#00B4BE
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #64a3ef;
/* rgb */ color: rgb(100, 163, 239);
/* oklch */ color: oklch(70.6% 0.130 254.0);
Tailwind
colors: {
  custom: {
    50: '#9abdf4',
    500: '#64a3ef',
    950: '#000000',
  },
}
SCSS
$custom: #64a3ef;
$custom-light: #9abdf4;
$custom-dark: #000000;
JSON
{
  "hex": "#64a3ef",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 239
  },
  "hsl": {
    "h": 212.806,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.70553,
    "c": 0.12977,
    "h": 254
  },
  "luminance": 0.35136
}

Semantic roles & 50–950 ramp

primary
#64A3EF
secondary
#EEDAC1
accent
#7D08DE
background
#FAFBFE
surface
#F3F6FD
border
#CDD0D5
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #64A3EF

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

Preview Lab → · Contrast checker → · Palette generator →

#64A3EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva