#64C8F3#64C8F3

#64C8F3 is a light, moderate cyan. Relative luminance 0.505; OKLCH L 78.9% C 0.112 H 228.7°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#64C8F3
RGB	rgb(100, 200, 243)
HSL	hsl(198, 86%, 67%)
HSV	hsv(198, 59%, 95%)
CMYK	cmyk(58.8%, 17.7%, 0%, 4.7%)
CIE-LAB	lab(76.37, -17.05, -30.03)
CIE-LCH	lch(76.37, 34.53, 240.42°)
OKLab	oklab(78.92% -0.0736 -0.0838)
OKLCH	oklch(78.92% 0.112 228.7)
XYZ	xyz(42.0812, 50.4849, 92.3035)
Luminance	0.5049 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64C8F3 #F38F64

analogous

#64F3D7 #64C8F3 #6481F3

triadic

#64C8F3 #F364C8 #C8F364

tetradic

#64C8F3 #D764F3 #F38F64 #81F364

square

#64C8F3 #D764F3 #F38F64 #81F364

split-complementary

#64C8F3 #F36481 #F3D764

monochromatic

#1094CD #2BB4EF #64C8F3 #9DDCF7 #D6F0FC

Accessibility & contrast

On white

1.89

#64C8F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#64C8F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64C8F3

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64C8F3	#FFFFFF	#000000	##000000
##64C8F3	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C5F5

Deuteranopia (green-blind)

#9EB6F2

Tritanopia (blue-blind)

#00D4D6

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #64c8f3;
/* rgb */ color: rgb(100, 200, 243);
/* oklch */ color: oklch(78.9% 0.112 228.7);

Tailwind

colors: {
  custom: {
    50: '#9cd8f7',
    500: '#64c8f3',
    950: '#000000',
  },
}

SCSS

$custom: #64c8f3;
$custom-light: #9cd8f7;
$custom-dark: #000000;

JSON

{
  "hex": "#64c8f3",
  "rgb": {
    "r": 100,
    "g": 200,
    "b": 243
  },
  "hsl": {
    "h": 198.042,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.78918,
    "c": 0.1115,
    "h": 228.7
  },
  "luminance": 0.50489
}

Semantic roles & 50–950 ramp

primary

#64C8F3

secondary

#C96032

accent

#4603E2

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #64C8F3

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

Preview Lab → · Contrast checker → · Palette generator →