#64ACF4#64ACF4

#64ACF4 is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.8% C 0.128 H 250.0°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#64ACF4
RGB	rgb(100, 172, 244)
HSL	hsl(210, 87%, 67%)
HSV	hsv(210, 59%, 96%)
CMYK	cmyk(59%, 29.5%, 0%, 4.3%)
CIE-LAB	lab(68.56, -1.63, -42.68)
CIE-LCH	lch(68.56, 42.71, 267.81°)
OKLab	oklab(72.76% -0.0438 -0.1203)
OKLCH	oklch(72.76% 0.128 250)
XYZ	xyz(36.3313, 38.7427, 91.1339)
Luminance	0.3875 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64ACF4 #F4AC64

analogous

#64F4F4 #64ACF4 #6464F4

triadic

#64ACF4 #F464AC #ACF464

tetradic

#64ACF4 #F464F4 #F4AC64 #64F464

square

#64ACF4 #F464F4 #F4AC64 #64F464

split-complementary

#64ACF4 #F46464 #F4F464

monochromatic

#0F6FCF #2B8DF0 #64ACF4 #9DCBF8 #D6E9FC

Accessibility & contrast

On white

2.40

#64ACF4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#64ACF4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACF4

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64ACF4	#FFFFFF	#000000	##000000
##64ACF4	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DAFF7

Deuteranopia (green-blind)

#7AA1F3

Tritanopia (blue-blind)

#00BDC5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #64acf4;
/* rgb */ color: rgb(100, 172, 244);
/* oklch */ color: oklch(72.8% 0.128 250.0);

Tailwind

colors: {
  custom: {
    50: '#9bc4f8',
    500: '#64acf4',
    950: '#000000',
  },
}

SCSS

$custom: #64acf4;
$custom-light: #9bc4f8;
$custom-dark: #000000;

JSON

{
  "hex": "#64acf4",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 244
  },
  "hsl": {
    "h": 210,
    "s": 86.747,
    "l": 67.451
  },
  "oklch": {
    "l": 0.72755,
    "c": 0.128,
    "h": 250
  },
  "luminance": 0.38746
}

Semantic roles & 50–950 ramp

primary

#64ACF4

secondary

#F0DAC3

accent

#7302E3

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64ACF4

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

Preview Lab → · Contrast checker → · Palette generator →