#64A3F8#64A3F8

#64A3F8 is a light, vivid cyan. Relative luminance 0.357; OKLCH L 71.0% C 0.141 H 256.3°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).

Color values

HEX#64A3F8
RGBrgb(100, 163, 248)
HSLhsl(214, 91%, 68%)
HSVhsv(214, 60%, 97%)
CMYKcmyk(59.7%, 34.3%, 0%, 2.7%)
CIE-LABlab(66.27, 4.74, -48.46)
CIE-LCHlch(66.27, 48.69, 275.59°)
OKLaboklab(71.02% -0.0333 -0.1372)
OKLCHoklch(71.02% 0.141 256.3)
XYZxyz(35.2900, 35.6779, 93.8155)
Luminance0.3568 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64A3F8 #F8B964
analogous
#64EDF8 #64A3F8 #6F64F8
triadic
#64A3F8 #F864A3 #A3F864
tetradic
#64A3F8 #F864ED #F8B964 #64F86F
square
#64A3F8 #F864ED #F8B964 #64F86F
split-complementary
#64A3F8 #F86F64 #EDF864
monochromatic
#0A61D8 #2980F5 #64A3F8 #9FC6FB #D9E9FD

Accessibility & contrast

On white

2.58
#64A3F8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.14
#64A3F8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64A3F8
8.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64A3F8#FFFFFF#000000##000000
##64A3F81.002.588.148.14
#FFFFFF2.581.0021.0021.00
#0000008.1421.001.001.00
##0000008.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7FA9FC
Deuteranopia (green-blind)
#6B9BF6
Tritanopia (blue-blind)
#00B6C2
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #64a3f8;
/* rgb */ color: rgb(100, 163, 248);
/* oklch */ color: oklch(71.0% 0.141 256.3);
Tailwind
colors: {
  custom: {
    50: '#9bbdfb',
    500: '#64a3f8',
    950: '#000000',
  },
}
SCSS
$custom: #64a3f8;
$custom-light: #9bbdfb;
$custom-dark: #000000;
JSON
{
  "hex": "#64a3f8",
  "rgb": {
    "r": 100,
    "g": 163,
    "b": 248
  },
  "hsl": {
    "h": 214.459,
    "s": 91.358,
    "l": 68.235
  },
  "oklch": {
    "l": 0.7102,
    "c": 0.14117,
    "h": 256.3
  },
  "luminance": 0.35681
}

Semantic roles & 50–950 ramp

primary
#64A3F8
secondary
#F2DFC5
accent
#8400E6
background
#FAFBFF
surface
#F4F6FF
border
#CED0D7
text
#0F1217
muted
#7F8185

Preview Lab

Preview with #64A3F8

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

Preview Lab → · Contrast checker → · Palette generator →

#64A3F8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva