#64D0EF#64D0EF

#64D0EF is a light, moderate cyan. Relative luminance 0.541; OKLCH L 80.6% C 0.108 H 219.4°. Best body text is #000000 at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#64D0EF
RGB	rgb(100, 208, 239)
HSL	hsl(193, 81%, 66%)
HSV	hsv(193, 58%, 94%)
CMYK	cmyk(58.2%, 13%, 0%, 6.3%)
CIE-LAB	lab(78.49, -22.31, -24.64)
CIE-LCH	lch(78.49, 33.23, 227.84°)
OKLab	oklab(80.57% -0.0834 -0.0684)
OKLCH	oklch(80.57% 0.108 219.4)
XYZ	xyz(43.3852, 54.0488, 89.7907)
Luminance	0.5405 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D0EF #EF8364

analogous

#64EFC9 #64D0EF #648BEF

triadic

#64D0EF #EF64D0 #D0EF64

tetradic

#64D0EF #C964EF #EF8364 #8BEF64

square

#64D0EF #C964EF #EF8364 #8BEF64

split-complementary

#64D0EF #EF648B #EFC964

monochromatic

#149DC4 #2DBFE9 #64D0EF #9BE1F5 #D3F2FA

Accessibility & contrast

On white

1.78

#64D0EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.81

#64D0EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D0EF

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D0EF	#FFFFFF	#000000	##000000
##64D0EF	1.00	1.78	11.81	11.81
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.81	21.00	1.00	1.00
##000000	11.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCBF1

Deuteranopia (green-blind)

#A8BCEF

Tritanopia (blue-blind)

#00DADA

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #64d0ef;
/* rgb */ color: rgb(100, 208, 239);
/* oklch */ color: oklch(80.6% 0.108 219.4);

Tailwind

colors: {
  custom: {
    50: '#9cdef4',
    500: '#64d0ef',
    950: '#000000',
  },
}

SCSS

$custom: #64d0ef;
$custom-light: #9cdef4;
$custom-dark: #000000;

JSON

{
  "hex": "#64d0ef",
  "rgb": {
    "r": 100,
    "g": 208,
    "b": 239
  },
  "hsl": {
    "h": 193.381,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.80568,
    "c": 0.10793,
    "h": 219.4
  },
  "luminance": 0.54053
}

Semantic roles & 50–950 ramp

primary

#64D0EF

secondary

#C25535

accent

#3808DE

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D0EF

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

Preview Lab → · Contrast checker → · Palette generator →