#64BEF9#64BEF9

#64BEF9 is a light, vivid cyan. Relative luminance 0.464; OKLCH L 76.9% C 0.121 H 239.7°. Best body text is #000000 at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#64BEF9
RGB	rgb(100, 190, 249)
HSL	hsl(204, 93%, 68%)
HSV	hsv(204, 60%, 98%)
CMYK	cmyk(59.8%, 23.7%, 0%, 2.4%)
CIE-LAB	lab(73.79, -9.95, -37.25)
CIE-LCH	lch(73.79, 38.55, 255.04°)
OKLab	oklab(76.94% -0.0611 -0.1044)
OKLCH	oklch(76.94% 0.121 239.7)
XYZ	xyz(40.7614, 46.3719, 96.4067)
Luminance	0.4638 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BEF9 #F99F64

analogous

#64F9E9 #64BEF9 #6473F9

triadic

#64BEF9 #F964BE #BEF964

tetradic

#64BEF9 #E964F9 #F99F64 #73F964

square

#64BEF9 #E964F9 #F99F64 #73F964

split-complementary

#64BEF9 #F96473 #F9E964

monochromatic

#0887DA #29A5F7 #64BEF9 #9FD7FB #DAEFFE

Accessibility & contrast

On white

2.04

#64BEF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.28

#64BEF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BEF9

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BEF9	#FFFFFF	#000000	##000000
##64BEF9	1.00	2.04	10.28	10.28
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.28	21.00	1.00	1.00
##000000	10.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3BEFC

Deuteranopia (green-blind)

#8FAFF8

Tritanopia (blue-blind)

#00CDD2

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #64bef9;
/* rgb */ color: rgb(100, 190, 249);
/* oklch */ color: oklch(76.9% 0.121 239.7);

Tailwind

colors: {
  custom: {
    50: '#9cd1fb',
    500: '#64bef9',
    950: '#000000',
  },
}

SCSS

$custom: #64bef9;
$custom-light: #9cd1fb;
$custom-dark: #000000;

JSON

{
  "hex": "#64bef9",
  "rgb": {
    "r": 100,
    "g": 190,
    "b": 249
  },
  "hsl": {
    "h": 203.758,
    "s": 92.547,
    "l": 68.431
  },
  "oklch": {
    "l": 0.76944,
    "c": 0.12101,
    "h": 239.7
  },
  "luminance": 0.46376
}

Semantic roles & 50–950 ramp

primary

#64BEF9

secondary

#F3D8C6

accent

#5B00E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1417

muted

#7F8285

Preview Lab

Preview with #64BEF9

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

Preview Lab → · Contrast checker → · Palette generator →