#64C7EF#64C7EF

#64C7EF is a light, moderate cyan. Relative luminance 0.498; OKLCH L 78.5% C 0.109 H 227.1°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#64C7EF
RGB	rgb(100, 199, 239)
HSL	hsl(197, 81%, 66%)
HSV	hsv(197, 58%, 94%)
CMYK	cmyk(58.2%, 16.7%, 0%, 6.3%)
CIE-LAB	lab(75.94, -17.71, -28.54)
CIE-LCH	lch(75.94, 33.59, 238.18°)
OKLab	oklab(78.53% -0.074 -0.0795)
OKLCH	oklch(78.53% 0.109 227.1)
XYZ	xyz(41.2529, 49.7842, 89.0799)
Luminance	0.4979 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C7EF #EF8C64

analogous

#64EFD2 #64C7EF #6482EF

triadic

#64C7EF #EF64C7 #C7EF64

tetradic

#64C7EF #D264EF #EF8C64 #82EF64

square

#64C7EF #D264EF #EF8C64 #82EF64

split-complementary

#64C7EF #EF6482 #EFD264

monochromatic

#1492C4 #2DB3E9 #64C7EF #9BDBF5 #D3EFFA

Accessibility & contrast

On white

1.92

#64C7EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#64C7EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C7EF

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C7EF	#FFFFFF	#000000	##000000
##64C7EF	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C4F1

Deuteranopia (green-blind)

#9EB5EF

Tritanopia (blue-blind)

#00D3D4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #64c7ef;
/* rgb */ color: rgb(100, 199, 239);
/* oklch */ color: oklch(78.5% 0.109 227.1);

Tailwind

colors: {
  custom: {
    50: '#9bd8f4',
    500: '#64c7ef',
    950: '#000000',
  },
}

SCSS

$custom: #64c7ef;
$custom-light: #9bd8f4;
$custom-dark: #000000;

JSON

{
  "hex": "#64c7ef",
  "rgb": {
    "r": 100,
    "g": 199,
    "b": 239
  },
  "hsl": {
    "h": 197.266,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.78527,
    "c": 0.1086,
    "h": 227.1
  },
  "luminance": 0.49788
}

Semantic roles & 50–950 ramp

primary

#64C7EF

secondary

#EECEC1

accent

#4508DE

background

#FAFDFE

surface

#F4FAFD

border

#CED3D5

text

#0F1417

muted

#7F8385

Preview Lab

Preview with #64C7EF

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

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