#64C5EF#64C5EF

#64C5EF is a light, moderate cyan. Relative luminance 0.489; OKLCH L 78.1% C 0.109 H 228.8°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#64C5EF
RGB	rgb(100, 197, 239)
HSL	hsl(198, 81%, 66%)
HSV	hsv(198, 58%, 94%)
CMYK	cmyk(58.2%, 17.6%, 0%, 6.3%)
CIE-LAB	lab(75.37, -16.67, -29.41)
CIE-LCH	lch(75.37, 33.81, 240.45°)
OKLab	oklab(78.08% -0.0718 -0.082)
OKLCH	oklch(78.08% 0.109 228.8)
XYZ	xyz(40.7958, 48.8699, 88.9275)
Luminance	0.4887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C5EF #EF8E64

analogous

#64EFD3 #64C5EF #6480EF

triadic

#64C5EF #EF64C5 #C5EF64

tetradic

#64C5EF #D364EF #EF8E64 #80EF64

square

#64C5EF #D364EF #EF8E64 #80EF64

split-complementary

#64C5EF #EF6480 #EFD364

monochromatic

#148FC4 #2DB0E9 #64C5EF #9BDAF5 #D3EFFA

Accessibility & contrast

On white

1.95

#64C5EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#64C5EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C5EF

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C5EF	#FFFFFF	#000000	##000000
##64C5EF	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFC2F1

Deuteranopia (green-blind)

#9CB3EE

Tritanopia (blue-blind)

#00D1D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #64c5ef;
/* rgb */ color: rgb(100, 197, 239);
/* oklch */ color: oklch(78.1% 0.109 228.8);

Tailwind

colors: {
  custom: {
    50: '#9bd6f4',
    500: '#64c5ef',
    950: '#000000',
  },
}

SCSS

$custom: #64c5ef;
$custom-light: #9bd6f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64c5ef",
  "rgb": {
    "r": 100,
    "g": 197,
    "b": 239
  },
  "hsl": {
    "h": 198.129,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.78076,
    "c": 0.10902,
    "h": 228.8
  },
  "luminance": 0.48874
}

Semantic roles & 50–950 ramp

primary

#64C5EF

secondary

#EECEC1

accent

#4808DE

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C5EF

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

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