#64C4FD#64C4FD

#64C4FD is a light, vivid cyan. Relative luminance 0.493; OKLCH L 78.5% C 0.122 H 237.2°. Best body text is #000000 at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#64C4FD
RGB	rgb(100, 196, 253)
HSL	hsl(202, 97%, 69%)
HSV	hsv(202, 60%, 99%)
CMYK	cmyk(60.5%, 22.5%, 0%, 0.8%)
CIE-LAB	lab(75.62, -11.93, -36.54)
CIE-LCH	lch(75.62, 38.44, 251.92°)
OKLab	oklab(78.45% -0.066 -0.1024)
OKLCH	oklch(78.45% 0.122 237.2)
XYZ	xyz(42.7183, 49.2769, 100.1696)
Luminance	0.4928 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C4FD #FD9D64

analogous

#64FDEA #64C4FD #6478FD

triadic

#64C4FD #FD64C4 #C4FD64

tetradic

#64C4FD #EA64FD #FD9D64 #78FD64

square

#64C4FD #EA64FD #FD9D64 #78FD64

split-complementary

#64C4FD #FD6478 #FDEA64

monochromatic

#0390E4 #28ADFC #64C4FD #A0DBFE #DDF2FF

Accessibility & contrast

On white

1.93

#64C4FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.86

#64C4FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C4FD

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C4FD	#FFFFFF	#000000	##000000
##64C4FD	1.00	1.93	10.86	10.86
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.86	21.00	1.00	1.00
##000000	10.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9C3FF

Deuteranopia (green-blind)

#94B3FC

Tritanopia (blue-blind)

#00D3D7

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #64c4fd;
/* rgb */ color: rgb(100, 196, 253);
/* oklch */ color: oklch(78.5% 0.122 237.2);

Tailwind

colors: {
  custom: {
    50: '#9dd5fe',
    500: '#64c4fd',
    950: '#000000',
  },
}

SCSS

$custom: #64c4fd;
$custom-light: #9dd5fe;
$custom-dark: #000000;

JSON

{
  "hex": "#64c4fd",
  "rgb": {
    "r": 100,
    "g": 196,
    "b": 253
  },
  "hsl": {
    "h": 202.353,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.78453,
    "c": 0.12184,
    "h": 237.2
  },
  "luminance": 0.49281
}

Semantic roles & 50–950 ramp

primary

#64C4FD

secondary

#F5D9C8

accent

#5600E6

background

#FAFDFF

surface

#F4FAFF

border

#CED3D7

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C4FD

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

Preview Lab → · Contrast checker → · Palette generator →