#64D8F9#64D8F9

#64D8F9 is a very light, moderate cyan. Relative luminance 0.587; OKLCH L 82.8% C 0.114 H 219.4°. Best body text is #000000 at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#64D8F9
RGB	rgb(100, 216, 249)
HSL	hsl(193, 93%, 68%)
HSV	hsv(193, 60%, 98%)
CMYK	cmyk(59.8%, 13.3%, 0%, 2.4%)
CIE-LAB	lab(81.10, -23.43, -25.98)
CIE-LCH	lch(81.10, 34.98, 227.96°)
OKLab	oklab(82.77% -0.088 -0.0722)
OKLCH	oklch(82.77% 0.114 219.4)
XYZ	xyz(46.9034, 58.6559, 98.4541)
Luminance	0.5866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D8F9 #F98564

analogous

#64F9D0 #64D8F9 #648DF9

triadic

#64D8F9 #F964D8 #D8F964

tetradic

#64D8F9 #D064F9 #F98564 #8DF964

square

#64D8F9 #D064F9 #F98564 #8DF964

split-complementary

#64D8F9 #F9648D #F9D064

monochromatic

#08ACDA #29C9F7 #64D8F9 #9FE7FB #DAF6FE

Accessibility & contrast

On white

1.65

#64D8F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.73

#64D8F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D8F9

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D8F9	#FFFFFF	#000000	##000000
##64D8F9	1.00	1.65	12.73	12.73
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.73	21.00	1.00	1.00
##000000	12.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3D3FB

Deuteranopia (green-blind)

#AEC2F9

Tritanopia (blue-blind)

#00E3E2

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #64d8f9;
/* rgb */ color: rgb(100, 216, 249);
/* oklch */ color: oklch(82.8% 0.114 219.4);

Tailwind

colors: {
  custom: {
    50: '#9de4fb',
    500: '#64d8f9',
    950: '#000000',
  },
}

SCSS

$custom: #64d8f9;
$custom-light: #9de4fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64d8f9",
  "rgb": {
    "r": 100,
    "g": 216,
    "b": 249
  },
  "hsl": {
    "h": 193.289,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.82773,
    "c": 0.11386,
    "h": 219.4
  },
  "luminance": 0.58661
}

Semantic roles & 50–950 ramp

primary

#64D8F9

secondary

#D2532F

accent

#3300E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #64D8F9

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

Preview Lab → · Contrast checker → · Palette generator →