#64ACE4#64ACE4

#64ACE4 is a light, moderate cyan. Relative luminance 0.378; OKLCH L 72.0% C 0.109 H 243.6°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#64ACE4
RGB	rgb(100, 172, 228)
HSL	hsl(206, 70%, 64%)
HSV	hsv(206, 56%, 89%)
CMYK	cmyk(56.1%, 24.6%, 0%, 10.6%)
CIE-LAB	lab(67.88, -6.60, -35.01)
CIE-LCH	lch(67.88, 35.62, 259.32°)
OKLab	oklab(71.99% -0.0486 -0.0981)
OKLCH	oklch(71.99% 0.109 243.6)
XYZ	xyz(34.0065, 37.8128, 78.8903)
Luminance	0.3782 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64ACE4 #E49C64

analogous

#64E4DC #64ACE4 #646CE4

triadic

#64ACE4 #E464AC #ACE464

tetradic

#64ACE4 #DC64E4 #E49C64 #6CE464

square

#64ACE4 #DC64E4 #E49C64 #6CE464

split-complementary

#64ACE4 #E4646C #E4DC64

monochromatic

#1F70AF #3090DB #64ACE4 #98C8ED #CCE4F6

Accessibility & contrast

On white

2.45

#64ACE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#64ACE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACE4

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64ACE4	#FFFFFF	#000000	##000000
##64ACE4	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94ADE7

Deuteranopia (green-blind)

#82A0E3

Tritanopia (blue-blind)

#00BABF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #64ace4;
/* rgb */ color: rgb(100, 172, 228);
/* oklch */ color: oklch(72.0% 0.109 243.6);

Tailwind

colors: {
  custom: {
    50: '#99c4ec',
    500: '#64ace4',
    950: '#000000',
  },
}

SCSS

$custom: #64ace4;
$custom-light: #99c4ec;
$custom-dark: #000000;

JSON

{
  "hex": "#64ace4",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 228
  },
  "hsl": {
    "h": 206.25,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.71993,
    "c": 0.10949,
    "h": 243.6
  },
  "luminance": 0.37816
}

Semantic roles & 50–950 ramp

primary

#64ACE4

secondary

#E8CFBC

accent

#6713D2

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #64ACE4

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

Preview Lab → · Contrast checker → · Palette generator →