#64BDF0#64BDF0

#64BDF0 is a light, moderate cyan. Relative luminance 0.454; OKLCH L 76.3% C 0.113 H 236.0°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX#64BDF0
RGBrgb(100, 189, 240)
HSLhsl(202, 82%, 67%)
HSVhsv(202, 58%, 94%)
CMYKcmyk(58.3%, 21.2%, 0%, 5.9%)
CIE-LABlab(73.15, -12.16, -33.38)
CIE-LCHlch(73.15, 35.52, 249.98°)
OKLaboklab(76.32% -0.063 -0.0933)
OKLCHoklch(76.32% 0.113 236)
XYZxyz(39.1754, 45.3921, 89.1182)
Luminance0.4540 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64BDF0 #F09764
analogous
#64F0DD #64BDF0 #6477F0
triadic
#64BDF0 #F064BD #BDF064
tetradic
#64BDF0 #DD64F0 #F09764 #77F064
square
#64BDF0 #DD64F0 #F09764 #77F064
split-complementary
#64BDF0 #F06477 #F0DD64
monochromatic
#1385C6 #2CA5EB #64BDF0 #9CD5F5 #D4EDFB

Accessibility & contrast

On white

2.08
#64BDF0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.08
#64BDF0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BDF0
10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64BDF0#FFFFFF#000000##000000
##64BDF01.002.0810.0810.08
#FFFFFF2.081.0021.0021.00
#00000010.0821.001.001.00
##00000010.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5BCF2
Deuteranopia (green-blind)
#92ADEF
Tritanopia (blue-blind)
#00CACE
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #64bdf0;
/* rgb */ color: rgb(100, 189, 240);
/* oklch */ color: oklch(76.3% 0.113 236.0);
Tailwind
colors: {
  custom: {
    50: '#9bd0f5',
    500: '#64bdf0',
    950: '#000000',
  },
}
SCSS
$custom: #64bdf0;
$custom-light: #9bd0f5;
$custom-dark: #000000;
JSON
{
  "hex": "#64bdf0",
  "rgb": {
    "r": 100,
    "g": 189,
    "b": 240
  },
  "hsl": {
    "h": 201.857,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.76322,
    "c": 0.11263,
    "h": 236
  },
  "luminance": 0.45396
}

Semantic roles & 50–950 ramp

primary
#64BDF0
secondary
#EED2C1
accent
#5507DF
background
#FAFCFE
surface
#F4F9FD
border
#CED2D5
text
#0F1417
muted
#7F8285

Preview Lab

Preview with #64BDF0

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

Preview Lab → · Contrast checker → · Palette generator →

#64BDF0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva