#64CFEF#64CFEF

#64CFEF is a light, moderate cyan. Relative luminance 0.536; OKLCH L 80.3% C 0.108 H 220.2°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#64CFEF
RGB	rgb(100, 207, 239)
HSL	hsl(194, 81%, 66%)
HSV	hsv(194, 58%, 94%)
CMYK	cmyk(58.2%, 13.4%, 0%, 6.3%)
CIE-LAB	lab(78.21, -21.80, -25.07)
CIE-LCH	lch(78.21, 33.22, 228.99°)
OKLab	oklab(80.34% -0.0824 -0.0697)
OKLCH	oklch(80.34% 0.108 220.2)
XYZ	xyz(43.1422, 53.5628, 89.7097)
Luminance	0.5357 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CFEF #EF8464

analogous

#64EFCA #64CFEF #648AEF

triadic

#64CFEF #EF64CF #CFEF64

tetradic

#64CFEF #CA64EF #EF8464 #8AEF64

square

#64CFEF #CA64EF #EF8464 #8AEF64

split-complementary

#64CFEF #EF648A #EFCA64

monochromatic

#149CC4 #2DBEE9 #64CFEF #9BE0F5 #D3F1FA

Accessibility & contrast

On white

1.79

#64CFEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#64CFEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CFEF

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CFEF	#FFFFFF	#000000	##000000
##64CFEF	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBCAF1

Deuteranopia (green-blind)

#A7BBEF

Tritanopia (blue-blind)

#00DAD9

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #64cfef;
/* rgb */ color: rgb(100, 207, 239);
/* oklch */ color: oklch(80.3% 0.108 220.2);

Tailwind

colors: {
  custom: {
    50: '#9cddf4',
    500: '#64cfef',
    950: '#000000',
  },
}

SCSS

$custom: #64cfef;
$custom-light: #9cddf4;
$custom-dark: #000000;

JSON

{
  "hex": "#64cfef",
  "rgb": {
    "r": 100,
    "g": 207,
    "b": 239
  },
  "hsl": {
    "h": 193.813,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.8034,
    "c": 0.1079,
    "h": 220.2
  },
  "luminance": 0.53567
}

Semantic roles & 50–950 ramp

primary

#64CFEF

secondary

#C25635

accent

#3908DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #64CFEF

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

Preview Lab → · Contrast checker → · Palette generator →