#64B9F7#64B9F7

#64B9F7 is a light, vivid cyan. Relative luminance 0.441; OKLCH L 75.7% C 0.122 H 242.4°. Best body text is #000000 at 9.82:1 contrast (WCAG AA passes).

Color values

HEX#64B9F7
RGBrgb(100, 185, 247)
HSLhsl(205, 90%, 68%)
HSVhsv(205, 60%, 97%)
CMYKcmyk(59.5%, 25.1%, 0%, 3.1%)
CIE-LABlab(72.31, -7.87, -38.46)
CIE-LCHlch(72.31, 39.26, 258.44°)
OKLaboklab(75.75% -0.0565 -0.108)
OKLCHoklch(75.75% 0.122 242.4)
XYZxyz(39.3867, 44.1189, 94.4178)
Luminance0.4412 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B9F7 #F7A264
analogous
#64F7EB #64B9F7 #646FF7
triadic
#64B9F7 #F764B9 #B9F764
tetradic
#64B9F7 #EB64F7 #F7A264 #6FF764
square
#64B9F7 #EB64F7 #F7A264 #6FF764
split-complementary
#64B9F7 #F7646F #F7EB64
monochromatic
#0B80D6 #2A9FF4 #64B9F7 #9ED3FA #D8EEFD

Accessibility & contrast

On white

2.14
#64B9F7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.82
#64B9F7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B9F7
9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B9F7#FFFFFF#000000##000000
##64B9F71.002.149.829.82
#FFFFFF2.141.0021.0021.00
#0000009.8221.001.001.00
##0000009.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DBAFA
Deuteranopia (green-blind)
#8AABF6
Tritanopia (blue-blind)
#00C8CE
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #64b9f7;
/* rgb */ color: rgb(100, 185, 247);
/* oklch */ color: oklch(75.7% 0.122 242.4);
Tailwind
colors: {
  custom: {
    50: '#9ccdfa',
    500: '#64b9f7',
    950: '#000000',
  },
}
SCSS
$custom: #64b9f7;
$custom-light: #9ccdfa;
$custom-dark: #000000;
JSON
{
  "hex": "#64b9f7",
  "rgb": {
    "r": 100,
    "g": 185,
    "b": 247
  },
  "hsl": {
    "h": 205.306,
    "s": 90.184,
    "l": 68.039
  },
  "oklch": {
    "l": 0.75748,
    "c": 0.1219,
    "h": 242.4
  },
  "luminance": 0.44123
}

Semantic roles & 50–950 ramp

primary
#64B9F7
secondary
#F2D8C5
accent
#6100E6
background
#FAFCFF
surface
#F4F9FF
border
#CED2D7
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #64B9F7

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

Preview Lab → · Contrast checker → · Palette generator →

#64B9F7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva