#64C8FF#64C8FF

#64C8FF is a light, vivid cyan. Relative luminance 0.512; OKLCH L 79.4% C 0.122 H 235.3°. Best body text is #000000 at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#64C8FF
RGB	rgb(100, 200, 255)
HSL	hsl(201, 100%, 70%)
HSV	hsv(201, 61%, 100%)
CMYK	cmyk(60.8%, 21.6%, 0%, 0%)
CIE-LAB	lab(76.82, -13.44, -35.76)
CIE-LCH	lch(76.82, 38.20, 249.41°)
OKLab	oklab(79.43% -0.0695 -0.1001)
OKLCH	oklch(79.43% 0.122 235.3)
XYZ	xyz(43.9529, 51.2335, 102.1611)
Luminance	0.5124 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8FF #FF9B64

analogous

#64FFE8 #64C8FF #647BFF

triadic

#64C8FF #FF64C8 #C8FF64

tetradic

#64C8FF #E864FF #FF9B64 #7BFF64

square

#64C8FF #E864FF #FF9B64 #7BFF64

split-complementary

#64C8FF #FF647B #FFE864

monochromatic

#0096E9 #27B2FF #64C8FF #A1DEFF #DEF3FF

Accessibility & contrast

On white

1.87

#64C8FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.25

#64C8FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8FF

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8FF	#FFFFFF	#000000	##000000
##64C8FF	1.00	1.87	11.25	11.25
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.25	21.00	1.00	1.00
##000000	11.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC7FF

Deuteranopia (green-blind)

#98B7FE

Tritanopia (blue-blind)

#00D6DA

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #64c8ff;
/* rgb */ color: rgb(100, 200, 255);
/* oklch */ color: oklch(79.4% 0.122 235.3);

Tailwind

colors: {
  custom: {
    50: '#9dd8ff',
    500: '#64c8ff',
    950: '#000000',
  },
}

SCSS

$custom: #64c8ff;
$custom-light: #9dd8ff;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8ff",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 255
  },
  "hsl": {
    "h": 201.29,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.7943,
    "c": 0.12187,
    "h": 235.3
  },
  "luminance": 0.51238
}

Semantic roles & 50–950 ramp

primary

#64C8FF

secondary

#DA6B2D

accent

#5100E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1418

muted

#808386

Preview Lab

Preview with #64C8FF

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

Preview Lab → · Contrast checker → · Palette generator →