#64BBE9#64BBE9

#64BBE9 is a light, moderate cyan. Relative luminance 0.441; OKLCH L 75.6% C 0.107 H 233.7°. Best body text is #000000 at 9.83:1 contrast (WCAG AA passes).

Color values

HEX#64BBE9
RGBrgb(100, 187, 233)
HSLhsl(201, 75%, 65%)
HSVhsv(201, 57%, 91%)
CMYKcmyk(57.1%, 19.7%, 0%, 8.6%)
CIE-LABlab(72.32, -13.21, -30.87)
CIE-LCHlch(72.32, 33.58, 246.84°)
OKLaboklab(75.57% -0.0633 -0.0862)
OKLCHoklch(75.57% 0.107 233.7)
XYZxyz(37.7283, 44.1297, 83.6046)
Luminance0.4413 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64BBE9 #E99264
analogous
#64E9D4 #64BBE9 #6478E9
triadic
#64BBE9 #E964BB #BBE964
tetradic
#64BBE9 #D464E9 #E99264 #78E964
square
#64BBE9 #D464E9 #E99264 #78E964
split-complementary
#64BBE9 #E96478 #E9D464
monochromatic
#1A82B8 #2EA3E1 #64BBE9 #9AD3F1 #CFEAF8

Accessibility & contrast

On white

2.14
#64BBE9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.83
#64BBE9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BBE9
9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64BBE9#FFFFFF#000000##000000
##64BBE91.002.149.839.83
#FFFFFF2.141.0021.0021.00
#0000009.8321.001.001.00
##0000009.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B9EB
Deuteranopia (green-blind)
#92ABE8
Tritanopia (blue-blind)
#00C7CA
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #64bbe9;
/* rgb */ color: rgb(100, 187, 233);
/* oklch */ color: oklch(75.6% 0.107 233.7);
Tailwind
colors: {
  custom: {
    50: '#9acff0',
    500: '#64bbe9',
    950: '#000000',
  },
}
SCSS
$custom: #64bbe9;
$custom-light: #9acff0;
$custom-dark: #000000;
JSON
{
  "hex": "#64bbe9",
  "rgb": {
    "r": 100,
    "g": 187,
    "b": 233
  },
  "hsl": {
    "h": 200.752,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.7557,
    "c": 0.10693,
    "h": 233.7
  },
  "luminance": 0.44133
}

Semantic roles & 50–950 ramp

primary
#64BBE9
secondary
#EBCDBE
accent
#540ED7
background
#FAFCFE
surface
#F3F9FD
border
#CDD2D5
text
#0F1316
muted
#7F8284

Preview Lab

Preview with #64BBE9

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

Preview Lab → · Contrast checker → · Palette generator →

#64BBE9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva