#64D9F3#64D9F3

#64D9F3 is a very light, moderate cyan. Relative luminance 0.588; OKLCH L 82.8% C 0.111 H 214.6°. Best body text is #000000 at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#64D9F3
RGB	rgb(100, 217, 243)
HSL	hsl(191, 86%, 67%)
HSV	hsv(191, 59%, 95%)
CMYK	cmyk(58.8%, 10.7%, 0%, 4.7%)
CIE-LAB	lab(81.18, -25.65, -22.67)
CIE-LCH	lch(81.18, 34.23, 221.48°)
OKLab	oklab(82.77% -0.0913 -0.0629)
OKLCH	oklch(82.77% 0.111 214.6)
XYZ	xyz(46.2395, 58.8015, 93.6896)
Luminance	0.5881 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D9F3 #F37E64

analogous

#64F3C6 #64D9F3 #6492F3

triadic

#64D9F3 #F364D9 #D9F364

tetradic

#64D9F3 #C664F3 #F37E64 #92F364

square

#64D9F3 #C664F3 #F37E64 #92F364

split-complementary

#64D9F3 #F36492 #F3C664

monochromatic

#10AACD #2BCBEF #64D9F3 #9DE7F7 #D6F5FC

Accessibility & contrast

On white

1.65

#64D9F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.76

#64D9F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D9F3

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D9F3	#FFFFFF	#000000	##000000
##64D9F3	1.00	1.65	12.76	12.76
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.76	21.00	1.00	1.00
##000000	12.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6D3F5

Deuteranopia (green-blind)

#B1C3F3

Tritanopia (blue-blind)

#00E3E1

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #64d9f3;
/* rgb */ color: rgb(100, 217, 243);
/* oklch */ color: oklch(82.8% 0.111 214.6);

Tailwind

colors: {
  custom: {
    50: '#9de5f7',
    500: '#64d9f3',
    950: '#000000',
  },
}

SCSS

$custom: #64d9f3;
$custom-light: #9de5f7;
$custom-dark: #000000;

JSON

{
  "hex": "#64d9f3",
  "rgb": {
    "r": 100,
    "g": 217,
    "b": 243
  },
  "hsl": {
    "h": 190.909,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.8277,
    "c": 0.11089,
    "h": 214.6
  },
  "luminance": 0.58806
}

Semantic roles & 50–950 ramp

primary

#64D9F3

secondary

#C94E32

accent

#2C03E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D9F3

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

Preview Lab → · Contrast checker → · Palette generator →