#64C3FD#64C3FD

#64C3FD is a light, vivid cyan. Relative luminance 0.488; OKLCH L 78.2% C 0.122 H 237.9°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#64C3FD
RGB	rgb(100, 195, 253)
HSL	hsl(203, 97%, 69%)
HSV	hsv(203, 60%, 99%)
CMYK	cmyk(60.5%, 22.9%, 0%, 0.8%)
CIE-LAB	lab(75.34, -11.40, -36.98)
CIE-LCH	lch(75.34, 38.70, 252.87°)
OKLab	oklab(78.23% -0.065 -0.1037)
OKLCH	oklch(78.23% 0.122 237.9)
XYZ	xyz(42.4935, 48.8273, 100.0947)
Luminance	0.4883 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C3FD #FD9E64

analogous

#64FDEA #64C3FD #6477FD

triadic

#64C3FD #FD64C3 #C3FD64

tetradic

#64C3FD #EA64FD #FD9E64 #77FD64

square

#64C3FD #EA64FD #FD9E64 #77FD64

split-complementary

#64C3FD #FD6477 #FDEA64

monochromatic

#038EE4 #28ACFC #64C3FD #A0DAFE #DDF2FF

Accessibility & contrast

On white

1.95

#64C3FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#64C3FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C3FD

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C3FD	#FFFFFF	#000000	##000000
##64C3FD	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8C2FF

Deuteranopia (green-blind)

#93B3FC

Tritanopia (blue-blind)

#00D2D7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #64c3fd;
/* rgb */ color: rgb(100, 195, 253);
/* oklch */ color: oklch(78.2% 0.122 237.9);

Tailwind

colors: {
  custom: {
    50: '#9cd5fe',
    500: '#64c3fd',
    950: '#000000',
  },
}

SCSS

$custom: #64c3fd;
$custom-light: #9cd5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#64c3fd",
  "rgb": {
    "r": 100,
    "g": 195,
    "b": 253
  },
  "hsl": {
    "h": 202.745,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.78232,
    "c": 0.12234,
    "h": 237.9
  },
  "luminance": 0.48831
}

Semantic roles & 50–950 ramp

primary

#64C3FD

secondary

#F5D9C8

accent

#5700E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C3FD

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

Preview Lab → · Contrast checker → · Palette generator →