#64CBF9#64CBF9

#64CBF9 is a light, moderate cyan. Relative luminance 0.523; OKLCH L 79.8% C 0.116 H 229.8°. Best body text is #000000 at 11.45:1 contrast (WCAG AA passes).

Color values

HEX	#64CBF9
RGB	rgb(100, 203, 249)
HSL	hsl(199, 93%, 68%)
HSV	hsv(199, 60%, 98%)
CMYK	cmyk(59.8%, 18.5%, 0%, 2.4%)
CIE-LAB	lab(77.43, -16.81, -31.61)
CIE-LCH	lch(77.43, 35.80, 241.99°)
OKLab	oklab(79.84% -0.0746 -0.0882)
OKLCH	oklch(79.84% 0.116 229.8)
XYZ	xyz(43.7037, 52.2565, 97.3875)
Luminance	0.5226 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CBF9 #F99264

analogous

#64F9DC #64CBF9 #6480F9

triadic

#64CBF9 #F964CB #CBF964

tetradic

#64CBF9 #DC64F9 #F99264 #80F964

square

#64CBF9 #DC64F9 #F99264 #80F964

split-complementary

#64CBF9 #F96480 #F9DC64

monochromatic

#0899DA #29B7F7 #64CBF9 #9FDFFB #DAF3FE

Accessibility & contrast

On white

1.83

#64CBF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.45

#64CBF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CBF9

11.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CBF9	#FFFFFF	#000000	##000000
##64CBF9	1.00	1.83	11.45	11.45
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.45	21.00	1.00	1.00
##000000	11.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C8FB

Deuteranopia (green-blind)

#9FB8F8

Tritanopia (blue-blind)

#00D8DA

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #64cbf9;
/* rgb */ color: rgb(100, 203, 249);
/* oklch */ color: oklch(79.8% 0.116 229.8);

Tailwind

colors: {
  custom: {
    50: '#9cdafb',
    500: '#64cbf9',
    950: '#000000',
  },
}

SCSS

$custom: #64cbf9;
$custom-light: #9cdafb;
$custom-dark: #000000;

JSON

{
  "hex": "#64cbf9",
  "rgb": {
    "r": 100,
    "g": 203,
    "b": 249
  },
  "hsl": {
    "h": 198.523,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.79843,
    "c": 0.11554,
    "h": 229.8
  },
  "luminance": 0.52261
}

Semantic roles & 50–950 ramp

primary

#64CBF9

secondary

#D2612F

accent

#4700E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #64CBF9

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

Preview Lab → · Contrast checker → · Palette generator →