#64BBD9#64BBD9

#64BBD9 is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.9% C 0.094 H 222.8°. Best body text is #000000 at 9.65:1 contrast (WCAG AA passes).

Color values

HEX#64BBD9
RGBrgb(100, 187, 217)
HSLhsl(195, 61%, 62%)
HSVhsv(195, 54%, 85%)
CMYKcmyk(53.9%, 13.8%, 0%, 14.9%)
CIE-LABlab(71.73, -17.91, -23.07)
CIE-LCHlch(71.73, 29.21, 232.19°)
OKLaboklab(74.91% -0.0691 -0.064)
OKLCHoklch(74.91% 0.094 222.8)
XYZxyz(35.5454, 43.2565, 72.1083)
Luminance0.4326 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64BBD9 #D98264
analogous
#64D9BD #64BBD9 #6480D9
triadic
#64BBD9 #D964BB #BBD964
tetradic
#64BBD9 #BD64D9 #D98264 #80D964
square
#64BBD9 #BD64D9 #D98264 #80D964
split-complementary
#64BBD9 #D96480 #D9BD64
monochromatic
#267E9C #33A5CD #64BBD9 #95D1E5 #C6E6F1

Accessibility & contrast

On white

2.18
#64BBD9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.65
#64BBD9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBD9
9.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64BBD9#FFFFFF#000000##000000
##64BBD91.002.189.659.65
#FFFFFF2.181.0021.0021.00
#0000009.6521.001.001.00
##0000009.6521.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAB7DB
Deuteranopia (green-blind)
#99AAD9
Tritanopia (blue-blind)
#00C4C4
Achromatopsia (no color)
#B0B0B0

Design tokens & code

CSS
--color: #64bbd9;
/* rgb */ color: rgb(100, 187, 217);
/* oklch */ color: oklch(74.9% 0.094 222.8);
Tailwind
colors: {
  custom: {
    50: '#99cfe4',
    500: '#64bbd9',
    950: '#000000',
  },
}
SCSS
$custom: #64bbd9;
$custom-light: #99cfe4;
$custom-dark: #000000;
JSON
{
  "hex": "#64bbd9",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 217
  },
  "hsl": {
    "h": 195.385,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.74909,
    "c": 0.09417,
    "h": 222.8
  },
  "luminance": 0.4326
}

Semantic roles & 50–950 ramp

primary
#64BBD9
secondary
#E2C2B7
accent
#491DC8
background
#F9FCFD
surface
#F2F9FB
border
#CCD2D4
text
#0E1315
muted
#7E8283

Preview Lab

Preview with #64BBD9

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

Preview Lab → · Contrast checker → · Palette generator →

#64BBD9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva