#64D3FF#64D3FF

#64D3FF is a light, moderate cyan. Relative luminance 0.565; OKLCH L 81.9% C 0.118 H 227.0°. Best body text is #000000 at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#64D3FF
RGB	rgb(100, 211, 255)
HSL	hsl(197, 100%, 70%)
HSV	hsv(197, 61%, 100%)
CMYK	cmyk(60.8%, 17.3%, 0%, 0%)
CIE-LAB	lab(79.91, -19.14, -31.00)
CIE-LCH	lch(79.91, 36.44, 238.31°)
OKLab	oklab(81.89% -0.0807 -0.0865)
OKLCH	oklch(81.89% 0.118 227)
XYZ	xyz(46.5927, 56.5132, 103.0410)
Luminance	0.5652 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D3FF #FF9064

analogous

#64FFDD #64D3FF #6486FF

triadic

#64D3FF #FF64D3 #D3FF64

tetradic

#64D3FF #DD64FF #FF9064 #86FF64

square

#64D3FF #DD64FF #FF9064 #86FF64

split-complementary

#64D3FF #FF6486 #FFDD64

monochromatic

#00A7E9 #27C2FF #64D3FF #A1E4FF #DEF6FF

Accessibility & contrast

On white

1.71

#64D3FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.30

#64D3FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D3FF

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D3FF	#FFFFFF	#000000	##000000
##64D3FF	1.00	1.71	12.30	12.30
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.30	21.00	1.00	1.00
##000000	12.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCFFF

Deuteranopia (green-blind)

#A6BFFE

Tritanopia (blue-blind)

#00E0E1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #64d3ff;
/* rgb */ color: rgb(100, 211, 255);
/* oklch */ color: oklch(81.9% 0.118 227.0);

Tailwind

colors: {
  custom: {
    50: '#9de0ff',
    500: '#64d3ff',
    950: '#000000',
  },
}

SCSS

$custom: #64d3ff;
$custom-light: #9de0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#64d3ff",
  "rgb": {
    "r": 100,
    "g": 211,
    "b": 255
  },
  "hsl": {
    "h": 197.032,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.81886,
    "c": 0.11831,
    "h": 227
  },
  "luminance": 0.56518
}

Semantic roles & 50–950 ramp

primary

#64D3FF

secondary

#DA5E2D

accent

#4100E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101518

muted

#808486

Preview Lab

Preview with #64D3FF

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

Preview Lab → · Contrast checker → · Palette generator →