#64CAF9#64CAF9

#64CAF9 is a light, moderate cyan. Relative luminance 0.518; OKLCH L 79.6% C 0.116 H 230.6°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#64CAF9
RGB	rgb(100, 202, 249)
HSL	hsl(199, 93%, 68%)
HSV	hsv(199, 60%, 98%)
CMYK	cmyk(59.8%, 18.9%, 0%, 2.4%)
CIE-LAB	lab(77.15, -16.29, -32.04)
CIE-LCH	lch(77.15, 35.94, 243.04°)
OKLab	oklab(79.62% -0.0736 -0.0895)
OKLCH	oklch(79.62% 0.116 230.6)
XYZ	xyz(43.4683, 51.7857, 97.3090)
Luminance	0.5179 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CAF9 #F99364

analogous

#64F9DD #64CAF9 #647FF9

triadic

#64CAF9 #F964CA #CAF964

tetradic

#64CAF9 #DD64F9 #F99364 #7FF964

square

#64CAF9 #DD64F9 #F99364 #7FF964

split-complementary

#64CAF9 #F9647F #F9DD64

monochromatic

#0898DA #29B6F7 #64CAF9 #9FDEFB #DAF2FE

Accessibility & contrast

On white

1.85

#64CAF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#64CAF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CAF9

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CAF9	#FFFFFF	#000000	##000000
##64CAF9	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C7FB

Deuteranopia (green-blind)

#9DB8F8

Tritanopia (blue-blind)

#00D7D9

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #64caf9;
/* rgb */ color: rgb(100, 202, 249);
/* oklch */ color: oklch(79.6% 0.116 230.6);

Tailwind

colors: {
  custom: {
    50: '#9cdafb',
    500: '#64caf9',
    950: '#000000',
  },
}

SCSS

$custom: #64caf9;
$custom-light: #9cdafb;
$custom-dark: #000000;

JSON

{
  "hex": "#64caf9",
  "rgb": {
    "r": 100,
    "g": 202,
    "b": 249
  },
  "hsl": {
    "h": 198.926,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.79618,
    "c": 0.11583,
    "h": 230.6
  },
  "luminance": 0.5179
}

Semantic roles & 50–950 ramp

primary

#64CAF9

secondary

#D2622F

accent

#4800E6

background

#FCFEFF

surface

#F6FBFF

border

#D0D4D7

text

#0F1417

muted

#808385

Preview Lab

Preview with #64CAF9

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

Preview Lab → · Contrast checker → · Palette generator →