#64DAF3#64DAF3

#64DAF3 is a very light, moderate cyan. Relative luminance 0.593; OKLCH L 83.0% C 0.111 H 213.7°. Best body text is #000000 at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#64DAF3
RGB	rgb(100, 218, 243)
HSL	hsl(190, 86%, 67%)
HSV	hsv(190, 59%, 95%)
CMYK	cmyk(58.8%, 10.3%, 0%, 4.7%)
CIE-LAB	lab(81.47, -26.14, -22.24)
CIE-LCH	lch(81.47, 34.32, 220.39°)
OKLab	oklab(83% -0.0924 -0.0617)
OKLCH	oklch(83% 0.111 213.7)
XYZ	xyz(46.4980, 59.3185, 93.7758)
Luminance	0.5932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64DAF3 #F37D64

analogous

#64F3C5 #64DAF3 #6492F3

triadic

#64DAF3 #F364DA #DAF364

tetradic

#64DAF3 #C564F3 #F37D64 #92F364

square

#64DAF3 #C564F3 #F37D64 #92F364

split-complementary

#64DAF3 #F36492 #F3C564

monochromatic

#10ACCD #2BCCEF #64DAF3 #9DE8F7 #D6F5FC

Accessibility & contrast

On white

1.63

#64DAF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.86

#64DAF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64DAF3

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64DAF3	#FFFFFF	#000000	##000000
##64DAF3	1.00	1.63	12.86	12.86
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.86	21.00	1.00	1.00
##000000	12.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7D3F4

Deuteranopia (green-blind)

#B2C4F3

Tritanopia (blue-blind)

#00E4E2

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #64daf3;
/* rgb */ color: rgb(100, 218, 243);
/* oklch */ color: oklch(83.0% 0.111 213.7);

Tailwind

colors: {
  custom: {
    50: '#9de5f7',
    500: '#64daf3',
    950: '#000000',
  },
}

SCSS

$custom: #64daf3;
$custom-light: #9de5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#64daf3",
  "rgb": {
    "r": 100,
    "g": 218,
    "b": 243
  },
  "hsl": {
    "h": 190.49,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.82998,
    "c": 0.11107,
    "h": 213.7
  },
  "luminance": 0.59323
}

Semantic roles & 50–950 ramp

primary

#64DAF3

secondary

#C94D32

accent

#2A03E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #64DAF3

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

Preview Lab → · Contrast checker → · Palette generator →