#64C4EC#64C4EC

#64C4EC is a light, moderate cyan. Relative luminance 0.482; OKLCH L 77.7% C 0.107 H 227.8°. Best body text is #000000 at 10.65:1 contrast (WCAG AA passes).

Color values

HEX	#64C4EC
RGB	rgb(100, 196, 236)
HSL	hsl(198, 78%, 66%)
HSV	hsv(198, 58%, 93%)
CMYK	cmyk(57.6%, 16.9%, 0%, 7.5%)
CIE-LAB	lab(74.98, -17.04, -28.40)
CIE-LCH	lch(74.98, 33.12, 239.03°)
OKLab	oklab(77.73% -0.0719 -0.0791)
OKLCH	oklch(77.73% 0.107 227.8)
XYZ	xyz(40.1299, 48.2415, 86.5373)
Luminance	0.4824 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C4EC #EC8C64

analogous

#64ECD0 #64C4EC #6480EC

triadic

#64C4EC #EC64C4 #C4EC64

tetradic

#64C4EC #D064EC #EC8C64 #80EC64

square

#64C4EC #D064EC #EC8C64 #80EC64

split-complementary

#64C4EC #EC6480 #ECD064

monochromatic

#178DBE #2DAFE5 #64C4EC #9BD9F3 #D1EEF9

Accessibility & contrast

On white

1.97

#64C4EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.65

#64C4EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C4EC

10.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C4EC	#FFFFFF	#000000	##000000
##64C4EC	1.00	1.97	10.65	10.65
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.65	21.00	1.00	1.00
##000000	10.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC1EE

Deuteranopia (green-blind)

#9CB2EC

Tritanopia (blue-blind)

#00D0D1

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #64c4ec;
/* rgb */ color: rgb(100, 196, 236);
/* oklch */ color: oklch(77.7% 0.107 227.8);

Tailwind

colors: {
  custom: {
    50: '#9bd6f2',
    500: '#64c4ec',
    950: '#000000',
  },
}

SCSS

$custom: #64c4ec;
$custom-light: #9bd6f2;
$custom-dark: #000000;

JSON

{
  "hex": "#64c4ec",
  "rgb": {
    "r": 100,
    "g": 196,
    "b": 236
  },
  "hsl": {
    "h": 197.647,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.77726,
    "c": 0.10688,
    "h": 227.8
  },
  "luminance": 0.48245
}

Semantic roles & 50–950 ramp

primary

#64C4EC

secondary

#ECCDBF

accent

#480BDA

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C4EC

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

Preview Lab → · Contrast checker → · Palette generator →