#64D5FB#64D5FB

#64D5FB is a very light, moderate cyan. Relative luminance 0.573; OKLCH L 82.2% C 0.115 H 223.0°. Best body text is #000000 at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#64D5FB
RGB	rgb(100, 213, 251)
HSL	hsl(195, 95%, 69%)
HSV	hsv(195, 60%, 98%)
CMYK	cmyk(60.2%, 15.1%, 0%, 1.6%)
CIE-LAB	lab(80.32, -21.34, -28.23)
CIE-LCH	lch(80.32, 35.39, 232.92°)
OKLab	oklab(82.17% -0.0842 -0.0786)
OKLCH	oklch(82.17% 0.115 223)
XYZ	xyz(46.4555, 57.2582, 99.8518)
Luminance	0.5726 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D5FB #FB8A64

analogous

#64FBD5 #64D5FB #648AFB

triadic

#64D5FB #FB64D5 #D5FB64

tetradic

#64D5FB #D564FB #FB8A64 #8AFB64

square

#64D5FB #D564FB #FB8A64 #8AFB64

split-complementary

#64D5FB #FB648A #FBD564

monochromatic

#06A8DF #28C5F9 #64D5FB #A0E5FD #DBF5FE

Accessibility & contrast

On white

1.69

#64D5FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.45

#64D5FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D5FB

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D5FB	#FFFFFF	#000000	##000000
##64D5FB	1.00	1.69	12.45	12.45
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.45	21.00	1.00	1.00
##000000	12.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFD0FD

Deuteranopia (green-blind)

#AAC0FB

Tritanopia (blue-blind)

#00E1E1

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #64d5fb;
/* rgb */ color: rgb(100, 213, 251);
/* oklch */ color: oklch(82.2% 0.115 223.0);

Tailwind

colors: {
  custom: {
    50: '#9de2fc',
    500: '#64d5fb',
    950: '#000000',
  },
}

SCSS

$custom: #64d5fb;
$custom-light: #9de2fc;
$custom-dark: #000000;

JSON

{
  "hex": "#64d5fb",
  "rgb": {
    "r": 100,
    "g": 213,
    "b": 251
  },
  "hsl": {
    "h": 195.099,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.82174,
    "c": 0.11519,
    "h": 223
  },
  "luminance": 0.57263
}

Semantic roles & 50–950 ramp

primary

#64D5FB

secondary

#D5582E

accent

#3A00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D5FB

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

Preview Lab → · Contrast checker → · Palette generator →