#64C5F0#64C5F0

#64C5F0 is a light, moderate cyan. Relative luminance 0.489; OKLCH L 78.1% C 0.110 H 229.4°. Best body text is #000000 at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#64C5F0
RGB	rgb(100, 197, 240)
HSL	hsl(198, 82%, 67%)
HSV	hsv(198, 58%, 94%)
CMYK	cmyk(58.3%, 17.9%, 0%, 5.9%)
CIE-LAB	lab(75.41, -16.38, -29.89)
CIE-LCH	lch(75.41, 34.09, 241.28°)
OKLab	oklab(78.12% -0.0715 -0.0834)
OKLCH	oklch(78.12% 0.11 229.4)
XYZ	xyz(40.9439, 48.9292, 89.7077)
Luminance	0.4893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5F0 #F08F64

analogous

#64F0D5 #64C5F0 #647FF0

triadic

#64C5F0 #F064C5 #C5F064

tetradic

#64C5F0 #D564F0 #F08F64 #7FF064

square

#64C5F0 #D564F0 #F08F64 #7FF064

split-complementary

#64C5F0 #F0647F #F0D564

monochromatic

#138FC6 #2CB0EB #64C5F0 #9CDAF5 #D4EFFB

Accessibility & contrast

On white

1.95

#64C5F0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.79

#64C5F0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5F0

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5F0	#FFFFFF	#000000	##000000
##64C5F0	1.00	1.95	10.79	10.79
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.79	21.00	1.00	1.00
##000000	10.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC2F2

Deuteranopia (green-blind)

#9BB3EF

Tritanopia (blue-blind)

#00D1D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #64c5f0;
/* rgb */ color: rgb(100, 197, 240);
/* oklch */ color: oklch(78.1% 0.110 229.4);

Tailwind

colors: {
  custom: {
    50: '#9bd6f5',
    500: '#64c5f0',
    950: '#000000',
  },
}

SCSS

$custom: #64c5f0;
$custom-light: #9bd6f5;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5f0",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 240
  },
  "hsl": {
    "h": 198.429,
    "s": 82.353,
    "l": 66.667
  },
  "oklch": {
    "l": 0.78117,
    "c": 0.10982,
    "h": 229.4
  },
  "luminance": 0.48933
}

Semantic roles & 50–950 ramp

primary

#64C5F0

secondary

#EECFC1

accent

#4907DF

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C5F0

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

Preview Lab → · Contrast checker → · Palette generator →