#64C3EC#64C3EC

#64C3EC is a light, moderate cyan. Relative luminance 0.478; OKLCH L 77.5% C 0.107 H 228.6°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#64C3EC
RGB	rgb(100, 195, 236)
HSL	hsl(198, 78%, 66%)
HSV	hsv(198, 58%, 93%)
CMYK	cmyk(57.6%, 17.4%, 0%, 7.5%)
CIE-LAB	lab(74.69, -16.52, -28.84)
CIE-LCH	lch(74.69, 33.23, 240.19°)
OKLab	oklab(77.5% -0.0708 -0.0804)
OKLCH	oklch(77.5% 0.107 228.6)
XYZ	xyz(39.9051, 47.7919, 86.4624)
Luminance	0.4780 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C3EC #EC8D64

analogous

#64ECD1 #64C3EC #647FEC

triadic

#64C3EC #EC64C3 #C3EC64

tetradic

#64C3EC #D164EC #EC8D64 #7FEC64

square

#64C3EC #D164EC #EC8D64 #7FEC64

split-complementary

#64C3EC #EC647F #ECD164

monochromatic

#178CBE #2DAEE5 #64C3EC #9BD8F3 #D1EDF9

Accessibility & contrast

On white

1.99

#64C3EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#64C3EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C3EC

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C3EC	#FFFFFF	#000000	##000000
##64C3EC	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC0EE

Deuteranopia (green-blind)

#9AB2EB

Tritanopia (blue-blind)

#00CFD0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #64c3ec;
/* rgb */ color: rgb(100, 195, 236);
/* oklch */ color: oklch(77.5% 0.107 228.6);

Tailwind

colors: {
  custom: {
    50: '#9bd5f2',
    500: '#64c3ec',
    950: '#000000',
  },
}

SCSS

$custom: #64c3ec;
$custom-light: #9bd5f2;
$custom-dark: #000000;

JSON

{
  "hex": "#64c3ec",
  "rgb": {
    "r": 100,
    "g": 195,
    "b": 236
  },
  "hsl": {
    "h": 198.088,
    "s": 78.161,
    "l": 65.882
  },
  "oklch": {
    "l": 0.775,
    "c": 0.10709,
    "h": 228.6
  },
  "luminance": 0.47796
}

Semantic roles & 50–950 ramp

primary

#64C3EC

secondary

#ECCDBF

accent

#4A0BDA

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C3EC

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

Preview Lab → · Contrast checker → · Palette generator →