#64ACEF#64ACEF

#64ACEF is a light, vivid cyan. Relative luminance 0.384; OKLCH L 72.5% C 0.122 H 248.2°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#64ACEF
RGB	rgb(100, 172, 239)
HSL	hsl(209, 81%, 66%)
HSV	hsv(209, 58%, 94%)
CMYK	cmyk(58.2%, 28%, 0%, 6.3%)
CIE-LAB	lab(68.35, -3.20, -40.30)
CIE-LCH	lch(68.35, 40.43, 265.46°)
OKLab	oklab(72.51% -0.0453 -0.1134)
OKLCH	oklch(72.51% 0.122 248.2)
XYZ	xyz(35.5824, 38.4432, 87.1897)
Luminance	0.3845 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64ACEF #EFA764

analogous

#64EFED #64ACEF #6467EF

triadic

#64ACEF #EF64AC #ACEF64

tetradic

#64ACEF #ED64EF #EFA764 #67EF64

square

#64ACEF #ED64EF #EFA764 #67EF64

split-complementary

#64ACEF #EF6467 #EFED64

monochromatic

#146FC4 #2D8EE9 #64ACEF #9BCAF5 #D3E7FA

Accessibility & contrast

On white

2.42

#64ACEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#64ACEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACEF

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64ACEF	#FFFFFF	#000000	##000000
##64ACEF	1.00	2.42	8.69	8.69
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.69	21.00	1.00	1.00
##000000	8.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90AEF2

Deuteranopia (green-blind)

#7DA1EE

Tritanopia (blue-blind)

#00BCC3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #64acef;
/* rgb */ color: rgb(100, 172, 239);
/* oklch */ color: oklch(72.5% 0.122 248.2);

Tailwind

colors: {
  custom: {
    50: '#9ac4f4',
    500: '#64acef',
    950: '#000000',
  },
}

SCSS

$custom: #64acef;
$custom-light: #9ac4f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64acef",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 239
  },
  "hsl": {
    "h": 208.921,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.72511,
    "c": 0.12207,
    "h": 248.2
  },
  "luminance": 0.38446
}

Semantic roles & 50–950 ramp

primary

#64ACEF

secondary

#EED7C1

accent

#6F08DE

background

#FAFCFE

surface

#F3F8FD

border

#CDD1D5

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64ACEF

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

Preview Lab → · Contrast checker → · Palette generator →