#64ACF9#64ACF9

#64ACF9 is a light, vivid cyan. Relative luminance 0.391; OKLCH L 73.0% C 0.134 H 251.6°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#64ACF9
RGB	rgb(100, 172, 249)
HSL	hsl(211, 93%, 68%)
HSV	hsv(211, 60%, 98%)
CMYK	cmyk(59.8%, 30.9%, 0%, 2.4%)
CIE-LAB	lab(68.79, -0.05, -45.05)
CIE-LCH	lch(68.79, 45.05, 269.93°)
OKLab	oklab(73% -0.0424 -0.1272)
OKLCH	oklch(73% 0.134 251.6)
XYZ	xyz(37.1007, 39.0505, 95.1865)
Luminance	0.3905 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64ACF9 #F9B164

analogous

#64F6F9 #64ACF9 #6664F9

triadic

#64ACF9 #F964AC #ACF964

tetradic

#64ACF9 #F964F6 #F9B164 #64F966

square

#64ACF9 #F964F6 #F9B164 #64F966

split-complementary

#64ACF9 #F96664 #F6F964

monochromatic

#086EDA #298CF7 #64ACF9 #9FCCFB #DAEBFE

Accessibility & contrast

On white

2.38

#64ACF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#64ACF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACF9

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64ACF9	#FFFFFF	#000000	##000000
##64ACF9	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8BB0FC

Deuteranopia (green-blind)

#77A1F7

Tritanopia (blue-blind)

#00BEC7

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #64acf9;
/* rgb */ color: rgb(100, 172, 249);
/* oklch */ color: oklch(73.0% 0.134 251.6);

Tailwind

colors: {
  custom: {
    50: '#9cc4fb',
    500: '#64acf9',
    950: '#000000',
  },
}

SCSS

$custom: #64acf9;
$custom-light: #9cc4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64acf9",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 249
  },
  "hsl": {
    "h": 211.007,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.73003,
    "c": 0.13404,
    "h": 251.6
  },
  "luminance": 0.39054
}

Semantic roles & 50–950 ramp

primary

#64ACF9

secondary

#F3DDC6

accent

#7700E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64ACF9

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

Preview Lab → · Contrast checker → · Palette generator →