#64C6EF#64C6EF

#64C6EF is a light, moderate cyan. Relative luminance 0.493; OKLCH L 78.3% C 0.109 H 227.9°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#64C6EF
RGB	rgb(100, 198, 239)
HSL	hsl(198, 81%, 66%)
HSV	hsv(198, 58%, 94%)
CMYK	cmyk(58.2%, 17.2%, 0%, 6.3%)
CIE-LAB	lab(75.65, -17.19, -28.98)
CIE-LCH	lch(75.65, 33.70, 239.32°)
OKLab	oklab(78.3% -0.0729 -0.0808)
OKLCH	oklch(78.3% 0.109 227.9)
XYZ	xyz(41.0236, 49.3256, 89.0035)
Luminance	0.4933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C6EF #EF8D64

analogous

#64EFD3 #64C6EF #6481EF

triadic

#64C6EF #EF64C6 #C6EF64

tetradic

#64C6EF #D364EF #EF8D64 #81EF64

square

#64C6EF #D364EF #EF8D64 #81EF64

split-complementary

#64C6EF #EF6481 #EFD364

monochromatic

#1490C4 #2DB2E9 #64C6EF #9BDAF5 #D3EFFA

Accessibility & contrast

On white

1.93

#64C6EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#64C6EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C6EF

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C6EF	#FFFFFF	#000000	##000000
##64C6EF	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1C3F1

Deuteranopia (green-blind)

#9DB4EE

Tritanopia (blue-blind)

#00D2D3

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #64c6ef;
/* rgb */ color: rgb(100, 198, 239);
/* oklch */ color: oklch(78.3% 0.109 227.9);

Tailwind

colors: {
  custom: {
    50: '#9bd7f4',
    500: '#64c6ef',
    950: '#000000',
  },
}

SCSS

$custom: #64c6ef;
$custom-light: #9bd7f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64c6ef",
  "rgb": {
    "r": 100,
    "g": 198,
    "b": 239
  },
  "hsl": {
    "h": 197.698,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.78301,
    "c": 0.1088,
    "h": 227.9
  },
  "luminance": 0.49329
}

Semantic roles & 50–950 ramp

primary

#64C6EF

secondary

#EECEC1

accent

#4708DE

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C6EF

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

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