#64C3EB#64C3EB

#64C3EB is a light, moderate cyan. Relative luminance 0.477; OKLCH L 77.5% C 0.106 H 228.0°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#64C3EB
RGB	rgb(100, 195, 235)
HSL	hsl(198, 77%, 66%)
HSV	hsv(198, 57%, 92%)
CMYK	cmyk(57.4%, 17%, 0%, 7.8%)
CIE-LAB	lab(74.66, -16.82, -28.35)
CIE-LCH	lch(74.66, 32.97, 239.33°)
OKLab	oklab(77.46% -0.0711 -0.079)
OKLCH	oklch(77.46% 0.106 228)
XYZ	xyz(39.7603, 47.7339, 85.6994)
Luminance	0.4774 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C3EB #EB8C64

analogous

#64EBD0 #64C3EB #647FEB

triadic

#64C3EB #EB64C3 #C3EB64

tetradic

#64C3EB #D064EB #EB8C64 #7FEB64

square

#64C3EB #D064EB #EB8C64 #7FEB64

split-complementary

#64C3EB #EB647F #EBD064

monochromatic

#188CBC #2EAEE4 #64C3EB #9AD8F2 #D0EDF9

Accessibility & contrast

On white

1.99

#64C3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#64C3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C3EB

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C3EB	#FFFFFF	#000000	##000000
##64C3EB	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC0ED

Deuteranopia (green-blind)

#9BB1EB

Tritanopia (blue-blind)

#00CFD0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #64c3eb;
/* rgb */ color: rgb(100, 195, 235);
/* oklch */ color: oklch(77.5% 0.106 228.0);

Tailwind

colors: {
  custom: {
    50: '#9bd5f1',
    500: '#64c3eb',
    950: '#000000',
  },
}

SCSS

$custom: #64c3eb;
$custom-light: #9bd5f1;
$custom-dark: #000000;

JSON

{
  "hex": "#64c3eb",
  "rgb": {
    "r": 100,
    "g": 195,
    "b": 235
  },
  "hsl": {
    "h": 197.778,
    "s": 77.143,
    "l": 65.686
  },
  "oklch": {
    "l": 0.77458,
    "c": 0.1063,
    "h": 228
  },
  "luminance": 0.47738
}

Semantic roles & 50–950 ramp

primary

#64C3EB

secondary

#ECCCBF

accent

#490CD9

background

#FAFDFE

surface

#F3FAFD

border

#CDD3D5

text

#0F1416

muted

#7F8384

Preview Lab

Preview with #64C3EB

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

Preview Lab → · Contrast checker → · Palette generator →