#64C8E4#64C8E4

#64C8E4 is a light, moderate cyan. Relative luminance 0.496; OKLCH L 78.3% C 0.101 H 218.6°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#64C8E4
RGB	rgb(100, 200, 228)
HSL	hsl(193, 70%, 64%)
HSV	hsv(193, 56%, 89%)
CMYK	cmyk(56.1%, 12.3%, 0%, 10.6%)
CIE-LAB	lab(75.83, -21.42, -22.78)
CIE-LCH	lch(75.83, 31.27, 226.76°)
OKLab	oklab(78.32% -0.0791 -0.0632)
OKLCH	oklch(78.32% 0.101 218.6)
XYZ	xyz(39.9079, 49.6155, 80.8574)
Luminance	0.4962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8E4 #E48064

analogous

#64E4C0 #64C8E4 #6488E4

triadic

#64C8E4 #E464C8 #C8E464

tetradic

#64C8E4 #C064E4 #E48064 #88E464

square

#64C8E4 #C064E4 #E48064 #88E464

split-complementary

#64C8E4 #E46488 #E4C064

monochromatic

#1F8FAF #30B6DB #64C8E4 #98DAED #CCEDF6

Accessibility & contrast

On white

1.92

#64C8E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#64C8E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8E4

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8E4	#FFFFFF	#000000	##000000
##64C8E4	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C3E6

Deuteranopia (green-blind)

#A3B5E4

Tritanopia (blue-blind)

#00D2D1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #64c8e4;
/* rgb */ color: rgb(100, 200, 228);
/* oklch */ color: oklch(78.3% 0.101 218.6);

Tailwind

colors: {
  custom: {
    50: '#9ad8ec',
    500: '#64c8e4',
    950: '#000000',
  },
}

SCSS

$custom: #64c8e4;
$custom-light: #9ad8ec;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8e4",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 228
  },
  "hsl": {
    "h": 193.125,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.78315,
    "c": 0.10125,
    "h": 218.6
  },
  "luminance": 0.49619
}

Semantic roles & 50–950 ramp

primary

#64C8E4

secondary

#E8C5BC

accent

#3D13D2

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C8E4

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

Preview Lab → · Contrast checker → · Palette generator →