#64C8DF#64C8DF

#64C8DF is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.1% C 0.099 H 214.8°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#64C8DF
RGB	rgb(100, 200, 223)
HSL	hsl(191, 66%, 63%)
HSV	hsv(191, 55%, 87%)
CMYK	cmyk(55.2%, 10.3%, 0%, 12.5%)
CIE-LAB	lab(75.66, -22.85, -20.34)
CIE-LCH	lch(75.66, 30.59, 221.68°)
OKLab	oklab(78.12% -0.081 -0.0563)
OKLCH	oklch(78.12% 0.099 214.8)
XYZ	xyz(39.2238, 49.3419, 77.2546)
Luminance	0.4935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8DF #DF7B64

analogous

#64DFB9 #64C8DF #648ADF

triadic

#64C8DF #DF64C8 #C8DF64

tetradic

#64C8DF #B964DF #DF7B64 #8ADF64

square

#64C8DF #B964DF #DF7B64 #8ADF64

split-complementary

#64C8DF #DF648A #DFB964

monochromatic

#228EA6 #31B6D5 #64C8DF #97DAE9 #C9ECF4

Accessibility & contrast

On white

1.93

#64C8DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#64C8DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8DF

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8DF	#FFFFFF	#000000	##000000
##64C8DF	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C2E0

Deuteranopia (green-blind)

#A5B4DF

Tritanopia (blue-blind)

#00D1CF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #64c8df;
/* rgb */ color: rgb(100, 200, 223);
/* oklch */ color: oklch(78.1% 0.099 214.8);

Tailwind

colors: {
  custom: {
    50: '#9ad9e9',
    500: '#64c8df',
    950: '#000000',
  },
}

SCSS

$custom: #64c8df;
$custom-light: #9ad9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8df",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 223
  },
  "hsl": {
    "h": 191.22,
    "s": 65.775,
    "l": 63.333
  },
  "oklch": {
    "l": 0.78124,
    "c": 0.09868,
    "h": 214.8
  },
  "luminance": 0.49346
}

Semantic roles & 50–950 ramp

primary

#64C8DF

secondary

#E5C2B9

accent

#3A18CE

background

#FAFDFE

surface

#F3FAFC

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C8DF

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

Preview Lab → · Contrast checker → · Palette generator →