#64B6F5#64B6F5

#64B6F5 is a light, vivid cyan. Relative luminance 0.428; OKLCH L 75.0% C 0.122 H 243.6°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX#64B6F5
RGBrgb(100, 182, 245)
HSLhsl(206, 88%, 68%)
HSVhsv(206, 59%, 96%)
CMYKcmyk(59.2%, 25.7%, 0%, 3.9%)
CIE-LABlab(71.39, -6.85, -38.81)
CIE-LCHlch(71.39, 39.41, 259.99°)
OKLaboklab(74.99% -0.054 -0.109)
OKLCHoklch(74.99% 0.122 243.6)
XYZxyz(38.4588, 42.7542, 92.5941)
Luminance0.4276 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B6F5 #F5A364
analogous
#64F5EC #64B6F5 #646DF5
triadic
#64B6F5 #F564B6 #B6F564
tetradic
#64B6F5 #EC64F5 #F5A364 #6DF564
square
#64B6F5 #EC64F5 #F5A364 #6DF564
split-complementary
#64B6F5 #F5646D #F5EC64
monochromatic
#0D7CD1 #2B9BF1 #64B6F5 #9DD1F9 #D7ECFC

Accessibility & contrast

On white

2.20
#64B6F5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.55
#64B6F5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B6F5
9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B6F5#FFFFFF#000000##000000
##64B6F51.002.209.559.55
#FFFFFF2.201.0021.0021.00
#0000009.5521.001.001.00
##0000009.5521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AB7F8
Deuteranopia (green-blind)
#87A8F4
Tritanopia (blue-blind)
#00C5CC
Achromatopsia (no color)
#AFAFAF

Design tokens & code

CSS
--color: #64b6f5;
/* rgb */ color: rgb(100, 182, 245);
/* oklch */ color: oklch(75.0% 0.122 243.6);
Tailwind
colors: {
  custom: {
    50: '#9bcbf8',
    500: '#64b6f5',
    950: '#000000',
  },
}
SCSS
$custom: #64b6f5;
$custom-light: #9bcbf8;
$custom-dark: #000000;
JSON
{
  "hex": "#64b6f5",
  "rgb": {
    "r": 100,
    "g": 182,
    "b": 245
  },
  "hsl": {
    "h": 206.069,
    "s": 87.879,
    "l": 67.647
  },
  "oklch": {
    "l": 0.74993,
    "c": 0.12167,
    "h": 243.6
  },
  "luminance": 0.42758
}

Semantic roles & 50–950 ramp

primary
#64B6F5
secondary
#F1D7C4
accent
#6401E4
background
#FAFCFF
surface
#F4F8FF
border
#CED1D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #64B6F5

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

Preview Lab → · Contrast checker → · Palette generator →

#64B6F5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva