#64C8F9#64C8F9

#64C8F9 is a light, moderate cyan. Relative luminance 0.509; OKLCH L 79.2% C 0.116 H 232.1°. Best body text is #000000 at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#64C8F9
RGB	rgb(100, 200, 249)
HSL	hsl(200, 93%, 68%)
HSV	hsv(200, 60%, 98%)
CMYK	cmyk(59.8%, 19.7%, 0%, 2.4%)
CIE-LAB	lab(76.59, -15.25, -32.91)
CIE-LCH	lch(76.59, 36.27, 245.13°)
OKLab	oklab(79.17% -0.0715 -0.092)
OKLCH	oklch(79.17% 0.116 232.1)
XYZ	xyz(43.0021, 50.8532, 97.1536)
Luminance	0.5086 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8F9 #F99564

analogous

#64F9E0 #64C8F9 #647DF9

triadic

#64C8F9 #F964C8 #C8F964

tetradic

#64C8F9 #E064F9 #F99564 #7DF964

square

#64C8F9 #E064F9 #F99564 #7DF964

split-complementary

#64C8F9 #F9647D #F9E064

monochromatic

#0895DA #29B3F7 #64C8F9 #9FDDFB #DAF2FE

Accessibility & contrast

On white

1.88

#64C8F9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.17

#64C8F9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8F9

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8F9	#FFFFFF	#000000	##000000
##64C8F9	1.00	1.88	11.17	11.17
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.17	21.00	1.00	1.00
##000000	11.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C6FB

Deuteranopia (green-blind)

#9BB6F8

Tritanopia (blue-blind)

#00D5D8

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #64c8f9;
/* rgb */ color: rgb(100, 200, 249);
/* oklch */ color: oklch(79.2% 0.116 232.1);

Tailwind

colors: {
  custom: {
    50: '#9cd8fb',
    500: '#64c8f9',
    950: '#000000',
  },
}

SCSS

$custom: #64c8f9;
$custom-light: #9cd8fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8f9",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 249
  },
  "hsl": {
    "h": 199.732,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.79171,
    "c": 0.11648,
    "h": 232.1
  },
  "luminance": 0.50857
}

Semantic roles & 50–950 ramp

primary

#64C8F9

secondary

#D2652F

accent

#4B00E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #64C8F9

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

Preview Lab → · Contrast checker → · Palette generator →