#64CAF3#64CAF3

#64CAF3 is a light, moderate cyan. Relative luminance 0.514; OKLCH L 79.4% C 0.111 H 227.0°. Best body text is #000000 at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#64CAF3
RGB	rgb(100, 202, 243)
HSL	hsl(197, 86%, 67%)
HSV	hsv(197, 59%, 95%)
CMYK	cmyk(58.8%, 16.9%, 0%, 4.7%)
CIE-LAB	lab(76.93, -18.08, -29.17)
CIE-LCH	lch(76.93, 34.31, 238.20°)
OKLab	oklab(79.37% -0.0757 -0.0813)
OKLCH	oklch(79.37% 0.111 227)
XYZ	xyz(42.5474, 51.4173, 92.4589)
Luminance	0.5142 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CAF3 #F38D64

analogous

#64F3D5 #64CAF3 #6482F3

triadic

#64CAF3 #F364CA #CAF364

tetradic

#64CAF3 #D564F3 #F38D64 #82F364

square

#64CAF3 #D564F3 #F38D64 #82F364

split-complementary

#64CAF3 #F36482 #F3D564

monochromatic

#1097CD #2BB7EF #64CAF3 #9DDDF7 #D6F1FC

Accessibility & contrast

On white

1.86

#64CAF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.28

#64CAF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CAF3

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CAF3	#FFFFFF	#000000	##000000
##64CAF3	1.00	1.86	11.28	11.28
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.28	21.00	1.00	1.00
##000000	11.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C6F5

Deuteranopia (green-blind)

#A0B7F3

Tritanopia (blue-blind)

#00D6D7

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #64caf3;
/* rgb */ color: rgb(100, 202, 243);
/* oklch */ color: oklch(79.4% 0.111 227.0);

Tailwind

colors: {
  custom: {
    50: '#9cdaf7',
    500: '#64caf3',
    950: '#000000',
  },
}

SCSS

$custom: #64caf3;
$custom-light: #9cdaf7;
$custom-dark: #000000;

JSON

{
  "hex": "#64caf3",
  "rgb": {
    "r": 100,
    "g": 202,
    "b": 243
  },
  "hsl": {
    "h": 197.203,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.79369,
    "c": 0.11106,
    "h": 227
  },
  "luminance": 0.51421
}

Semantic roles & 50–950 ramp

primary

#64CAF3

secondary

#C95D32

accent

#4303E2

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #64CAF3

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

Preview Lab → · Contrast checker → · Palette generator →