#64D3FB#64D3FB

#64D3FB is a light, moderate cyan. Relative luminance 0.563; OKLCH L 81.7% C 0.115 H 224.6°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#64D3FB
RGB	rgb(100, 211, 251)
HSL	hsl(196, 95%, 69%)
HSV	hsv(196, 60%, 98%)
CMYK	cmyk(60.2%, 15.9%, 0%, 1.6%)
CIE-LAB	lab(79.76, -20.32, -29.10)
CIE-LCH	lch(79.76, 35.49, 235.07°)
OKLab	oklab(81.72% -0.0821 -0.0811)
OKLCH	oklch(81.72% 0.115 224.6)
XYZ	xyz(45.9555, 56.2583, 99.6852)
Luminance	0.5626 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D3FB #FB8C64

analogous

#64FBD8 #64D3FB #6488FB

triadic

#64D3FB #FB64D3 #D3FB64

tetradic

#64D3FB #D864FB #FB8C64 #88FB64

square

#64D3FB #D864FB #FB8C64 #88FB64

split-complementary

#64D3FB #FB6488 #FBD864

monochromatic

#06A5DF #28C2F9 #64D3FB #A0E4FD #DBF5FE

Accessibility & contrast

On white

1.71

#64D3FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.25

#64D3FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D3FB

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D3FB	#FFFFFF	#000000	##000000
##64D3FB	1.00	1.71	12.25	12.25
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.25	21.00	1.00	1.00
##000000	12.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCFFD

Deuteranopia (green-blind)

#A7BFFB

Tritanopia (blue-blind)

#00DFE0

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #64d3fb;
/* rgb */ color: rgb(100, 211, 251);
/* oklch */ color: oklch(81.7% 0.115 224.6);

Tailwind

colors: {
  custom: {
    50: '#9de0fc',
    500: '#64d3fb',
    950: '#000000',
  },
}

SCSS

$custom: #64d3fb;
$custom-light: #9de0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#64d3fb",
  "rgb": {
    "r": 100,
    "g": 211,
    "b": 251
  },
  "hsl": {
    "h": 195.894,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.81723,
    "c": 0.11542,
    "h": 224.6
  },
  "luminance": 0.56263
}

Semantic roles & 50–950 ramp

primary

#64D3FB

secondary

#D55A2E

accent

#3D00E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D3FB

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

Preview Lab → · Contrast checker → · Palette generator →