#64D3F3#64D3F3

#64D3F3 is a light, moderate cyan. Relative luminance 0.558; OKLCH L 81.4% C 0.110 H 219.5°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#64D3F3
RGB	rgb(100, 211, 243)
HSL	hsl(193, 86%, 67%)
HSV	hsv(193, 59%, 95%)
CMYK	cmyk(58.8%, 13.2%, 0%, 4.7%)
CIE-LAB	lab(79.48, -22.66, -25.26)
CIE-LCH	lch(79.48, 33.94, 228.11°)
OKLab	oklab(81.41% -0.0851 -0.0702)
OKLCH	oklch(81.41% 0.11 219.5)
XYZ	xyz(44.7210, 55.7645, 93.1835)
Luminance	0.5577 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64D3F3 #F38464

analogous

#64F3CC #64D3F3 #648BF3

triadic

#64D3F3 #F364D3 #D3F364

tetradic

#64D3F3 #CC64F3 #F38464 #8BF364

square

#64D3F3 #CC64F3 #F38464 #8BF364

split-complementary

#64D3F3 #F3648B #F3CC64

monochromatic

#10A2CD #2BC3EF #64D3F3 #9DE3F7 #D6F3FC

Accessibility & contrast

On white

1.73

#64D3F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#64D3F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64D3F3

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64D3F3	#FFFFFF	#000000	##000000
##64D3F3	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCEF5

Deuteranopia (green-blind)

#AABEF3

Tritanopia (blue-blind)

#00DEDD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #64d3f3;
/* rgb */ color: rgb(100, 211, 243);
/* oklch */ color: oklch(81.4% 0.110 219.5);

Tailwind

colors: {
  custom: {
    50: '#9ce0f7',
    500: '#64d3f3',
    950: '#000000',
  },
}

SCSS

$custom: #64d3f3;
$custom-light: #9ce0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#64d3f3",
  "rgb": {
    "r": 100,
    "g": 211,
    "b": 243
  },
  "hsl": {
    "h": 193.427,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.81405,
    "c": 0.11032,
    "h": 219.5
  },
  "luminance": 0.55769
}

Semantic roles & 50–950 ramp

primary

#64D3F3

secondary

#C95432

accent

#3503E2

background

#FCFEFF

surface

#F6FCFE

border

#D0D5D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #64D3F3

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

Preview Lab → · Contrast checker → · Palette generator →