#64C4E5#64C4E5

#64C4E5 is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.4% C 0.102 H 223.0°. Best body text is #000000 at 10.57:1 contrast (WCAG AA passes).

Color values

HEX#64C4E5
RGBrgb(100, 196, 229)
HSLhsl(195, 71%, 65%)
HSVhsv(195, 56%, 90%)
CMYKcmyk(56.3%, 14.4%, 0%, 10.2%)
CIE-LABlab(74.73, -19.09, -25.01)
CIE-LCHlch(74.73, 31.46, 232.64°)
OKLaboklab(77.44% -0.0744 -0.0695)
OKLCHoklch(77.44% 0.102 223)
XYZxyz(39.1328, 47.8427, 81.2858)
Luminance0.4785 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64C4E5 #E58564
analogous
#64E5C6 #64C4E5 #6484E5
triadic
#64C4E5 #E564C4 #C4E564
tetradic
#64C4E5 #C664E5 #E58564 #84E564
square
#64C4E5 #C664E5 #E58564 #84E564
split-complementary
#64C4E5 #E56484 #E5C664
monochromatic
#1E8BB1 #30B0DC #64C4E5 #98D8EE #CDECF7

Accessibility & contrast

On white

1.99
#64C4E5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.57
#64C4E5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C4E5
10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64C4E5#FFFFFF#000000##000000
##64C4E51.001.9910.5710.57
#FFFFFF1.991.0021.0021.00
#00000010.5721.001.001.00
##00000010.5721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B1C0E7
Deuteranopia (green-blind)
#9EB2E5
Tritanopia (blue-blind)
#00CECE
Achromatopsia (no color)
#B8B8B8

Design tokens & code

CSS
--color: #64c4e5;
/* rgb */ color: rgb(100, 196, 229);
/* oklch */ color: oklch(77.4% 0.102 223.0);
Tailwind
colors: {
  custom: {
    50: '#9ad6ed',
    500: '#64c4e5',
    950: '#000000',
  },
}
SCSS
$custom: #64c4e5;
$custom-light: #9ad6ed;
$custom-dark: #000000;
JSON
{
  "hex": "#64c4e5",
  "rgb": {
    "r": 100,
    "g": 196,
    "b": 229
  },
  "hsl": {
    "h": 195.349,
    "s": 71.271,
    "l": 64.51
  },
  "oklch": {
    "l": 0.77442,
    "c": 0.10181,
    "h": 223
  },
  "luminance": 0.47846
}

Semantic roles & 50–950 ramp

primary
#64C4E5
secondary
#E9C8BC
accent
#4412D3
background
#FAFDFE
surface
#F3FAFD
border
#CDD3D5
text
#0F1416
muted
#7F8384

Preview Lab

Preview with #64C4E5

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

Preview Lab → · Contrast checker → · Palette generator →

#64C4E5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva