#64D3FD#64D3FD

#64D3FD is a light, moderate cyan. Relative luminance 0.564; OKLCH L 81.8% C 0.117 H 225.8°. Best body text is #000000 at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#64D3FD
RGB	rgb(100, 211, 253)
HSL	hsl(196, 97%, 69%)
HSV	hsv(196, 60%, 99%)
CMYK	cmyk(60.5%, 16.6%, 0%, 0.8%)
CIE-LAB	lab(79.83, -19.73, -30.05)
CIE-LCH	lch(79.83, 35.95, 236.71°)
OKLab	oklab(81.8% -0.0814 -0.0838)
OKLCH	oklch(81.8% 0.117 225.8)
XYZ	xyz(46.2724, 56.3851, 101.3543)
Luminance	0.5639 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D3FD #FD8E64

analogous

#64FDDB #64D3FD #6487FD

triadic

#64D3FD #FD64D3 #D3FD64

tetradic

#64D3FD #DB64FD #FD8E64 #87FD64

square

#64D3FD #DB64FD #FD8E64 #87FD64

split-complementary

#64D3FD #FD6487 #FDDB64

monochromatic

#03A6E4 #28C2FC #64D3FD #A0E4FE #DDF5FF

Accessibility & contrast

On white

1.71

#64D3FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.28

#64D3FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D3FD

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D3FD	#FFFFFF	#000000	##000000
##64D3FD	1.00	1.71	12.28	12.28
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.28	21.00	1.00	1.00
##000000	12.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCCFFF

Deuteranopia (green-blind)

#A6BFFD

Tritanopia (blue-blind)

#00DFE1

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #64d3fd;
/* rgb */ color: rgb(100, 211, 253);
/* oklch */ color: oklch(81.8% 0.117 225.8);

Tailwind

colors: {
  custom: {
    50: '#9de0fe',
    500: '#64d3fd',
    950: '#000000',
  },
}

SCSS

$custom: #64d3fd;
$custom-light: #9de0fe;
$custom-dark: #000000;

JSON

{
  "hex": "#64d3fd",
  "rgb": {
    "r": 100,
    "g": 211,
    "b": 253
  },
  "hsl": {
    "h": 196.471,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.81804,
    "c": 0.11683,
    "h": 225.8
  },
  "luminance": 0.5639
}

Semantic roles & 50–950 ramp

primary

#64D3FD

secondary

#D75C2E

accent

#3F00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#101517

muted

#808485

Preview Lab

Preview with #64D3FD

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

Preview Lab → · Contrast checker → · Palette generator →