#64B9F2#64B9F2

#64B9F2 is a light, moderate cyan. Relative luminance 0.438; OKLCH L 75.5% C 0.117 H 240.1°. Best body text is #000000 at 9.76:1 contrast (WCAG AA passes).

Color values

HEX#64B9F2
RGBrgb(100, 185, 242)
HSLhsl(204, 85%, 67%)
HSVhsv(204, 59%, 95%)
CMYKcmyk(58.7%, 23.6%, 0%, 5.1%)
CIE-LABlab(72.10, -9.41, -36.08)
CIE-LCHlch(72.10, 37.28, 255.39°)
OKLaboklab(75.52% -0.0581 -0.1011)
OKLCHoklch(75.52% 0.117 240.1)
XYZxyz(38.6255, 43.8144, 90.4087)
Luminance0.4382 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64B9F2 #F29D64
analogous
#64F2E4 #64B9F2 #6472F2
triadic
#64B9F2 #F264B9 #B9F264
tetradic
#64B9F2 #E464F2 #F29D64 #72F264
square
#64B9F2 #E464F2 #F29D64 #72F264
split-complementary
#64B9F2 #F26472 #F2E464
monochromatic
#1180CB #2C9FED #64B9F2 #9CD2F7 #D5ECFB

Accessibility & contrast

On white

2.15
#64B9F2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.76
#64B9F2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B9F2
9.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64B9F2#FFFFFF#000000##000000
##64B9F21.002.159.769.76
#FFFFFF2.151.0021.0021.00
#0000009.7621.001.001.00
##0000009.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FB9F5
Deuteranopia (green-blind)
#8CAAF1
Tritanopia (blue-blind)
#00C7CC
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #64b9f2;
/* rgb */ color: rgb(100, 185, 242);
/* oklch */ color: oklch(75.5% 0.117 240.1);
Tailwind
colors: {
  custom: {
    50: '#9bcdf6',
    500: '#64b9f2',
    950: '#000000',
  },
}
SCSS
$custom: #64b9f2;
$custom-light: #9bcdf6;
$custom-dark: #000000;
JSON
{
  "hex": "#64b9f2",
  "rgb": {
    "r": 100,
    "g": 185,
    "b": 242
  },
  "hsl": {
    "h": 204.085,
    "s": 84.524,
    "l": 67.059
  },
  "oklch": {
    "l": 0.75519,
    "c": 0.11663,
    "h": 240.1
  },
  "luminance": 0.43818
}

Semantic roles & 50–950 ramp

primary
#64B9F2
secondary
#EFD4C2
accent
#5D05E1
background
#FAFCFF
surface
#F4F9FE
border
#CED2D6
text
#0F1317
muted
#7F8285

Preview Lab

Preview with #64B9F2

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

Preview Lab → · Contrast checker → · Palette generator →

#64B9F2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva