#64D0FB#64D0FB

#64D0FB is a light, moderate cyan. Relative luminance 0.548; OKLCH L 81.0% C 0.116 H 227.0°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#64D0FB
RGB	rgb(100, 208, 251)
HSL	hsl(197, 95%, 69%)
HSV	hsv(197, 60%, 98%)
CMYK	cmyk(60.2%, 17.1%, 0%, 1.6%)
CIE-LAB	lab(78.92, -18.79, -30.39)
CIE-LCH	lch(78.92, 35.74, 238.27°)
OKLab	oklab(81.05% -0.0791 -0.0848)
OKLCH	oklch(81.05% 0.116 227)
XYZ	xyz(45.2172, 54.7816, 99.4390)
Luminance	0.5479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D0FB #FB8F64

analogous

#64FBDB #64D0FB #6485FB

triadic

#64D0FB #FB64D0 #D0FB64

tetradic

#64D0FB #DB64FB #FB8F64 #85FB64

square

#64D0FB #DB64FB #FB8F64 #85FB64

split-complementary

#64D0FB #FB6485 #FBDB64

monochromatic

#06A1DF #28BEF9 #64D0FB #A0E2FD #DBF4FE

Accessibility & contrast

On white

1.76

#64D0FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#64D0FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D0FB

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D0FB	#FFFFFF	#000000	##000000
##64D0FB	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9CCFD

Deuteranopia (green-blind)

#A4BCFA

Tritanopia (blue-blind)

#00DDDE

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #64d0fb;
/* rgb */ color: rgb(100, 208, 251);
/* oklch */ color: oklch(81.0% 0.116 227.0);

Tailwind

colors: {
  custom: {
    50: '#9ddefc',
    500: '#64d0fb',
    950: '#000000',
  },
}

SCSS

$custom: #64d0fb;
$custom-light: #9ddefc;
$custom-dark: #000000;

JSON

{
  "hex": "#64d0fb",
  "rgb": {
    "r": 100,
    "g": 208,
    "b": 251
  },
  "hsl": {
    "h": 197.086,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.81048,
    "c": 0.11592,
    "h": 227
  },
  "luminance": 0.54786
}

Semantic roles & 50–950 ramp

primary

#64D0FB

secondary

#D55E2E

accent

#4100E6

background

#FCFEFF

surface

#F6FCFF

border

#D0D5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D0FB

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

Preview Lab → · Contrast checker → · Palette generator →