#64C4EE#64C4EE

#64C4EE is a light, moderate cyan. Relative luminance 0.484; OKLCH L 77.8% C 0.108 H 229.0°. Best body text is #000000 at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#64C4EE
RGB	rgb(100, 196, 238)
HSL	hsl(198, 80%, 66%)
HSV	hsv(198, 58%, 93%)
CMYK	cmyk(58%, 17.6%, 0%, 6.7%)
CIE-LAB	lab(75.05, -16.45, -29.37)
CIE-LCH	lch(75.05, 33.66, 240.74°)
OKLab	oklab(77.81% -0.0711 -0.0819)
OKLCH	oklch(77.81% 0.108 229)
XYZ	xyz(40.4221, 48.3584, 88.0762)
Luminance	0.4836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C4EE #EE8E64

analogous

#64EED3 #64C4EE #647FEE

triadic

#64C4EE #EE64C4 #C4EE64

tetradic

#64C4EE #D364EE #EE8E64 #7FEE64

square

#64C4EE #D364EE #EE8E64 #7FEE64

split-complementary

#64C4EE #EE647F #EED364

monochromatic

#158EC2 #2DAFE8 #64C4EE #9BD9F4 #D2EEFA

Accessibility & contrast

On white

1.97

#64C4EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.67

#64C4EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C4EE

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C4EE	#FFFFFF	#000000	##000000
##64C4EE	1.00	1.97	10.67	10.67
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.67	21.00	1.00	1.00
##000000	10.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC1F0

Deuteranopia (green-blind)

#9BB2ED

Tritanopia (blue-blind)

#00D0D2

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #64c4ee;
/* rgb */ color: rgb(100, 196, 238);
/* oklch */ color: oklch(77.8% 0.108 229.0);

Tailwind

colors: {
  custom: {
    50: '#9bd6f3',
    500: '#64c4ee',
    950: '#000000',
  },
}

SCSS

$custom: #64c4ee;
$custom-light: #9bd6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#64c4ee",
  "rgb": {
    "r": 100,
    "g": 196,
    "b": 238
  },
  "hsl": {
    "h": 198.261,
    "s": 80.233,
    "l": 66.275
  },
  "oklch": {
    "l": 0.77809,
    "c": 0.10845,
    "h": 229
  },
  "luminance": 0.48362
}

Semantic roles & 50–950 ramp

primary

#64C4EE

secondary

#EDCEC0

accent

#4909DD

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C4EE

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

Preview Lab → · Contrast checker → · Palette generator →