#64CBEF#64CBEF

#64CBEF is a light, moderate cyan. Relative luminance 0.517; OKLCH L 79.4% C 0.108 H 223.6°. Best body text is #000000 at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#64CBEF
RGB	rgb(100, 203, 239)
HSL	hsl(196, 81%, 66%)
HSV	hsv(196, 58%, 94%)
CMYK	cmyk(58.2%, 15.1%, 0%, 6.3%)
CIE-LAB	lab(77.07, -19.77, -26.81)
CIE-LCH	lch(77.07, 33.31, 233.59°)
OKLab	oklab(79.43% -0.0782 -0.0746)
OKLCH	oklch(79.43% 0.108 223.6)
XYZ	xyz(42.1854, 51.6491, 89.3907)
Luminance	0.5165 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64CBEF #EF8864

analogous

#64EFCE #64CBEF #6486EF

triadic

#64CBEF #EF64CB #CBEF64

tetradic

#64CBEF #CE64EF #EF8864 #86EF64

square

#64CBEF #CE64EF #EF8864 #86EF64

split-complementary

#64CBEF #EF6486 #EFCE64

monochromatic

#1497C4 #2DB8E9 #64CBEF #9BDEF5 #D3F0FA

Accessibility & contrast

On white

1.85

#64CBEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.33

#64CBEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64CBEF

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64CBEF	#FFFFFF	#000000	##000000
##64CBEF	1.00	1.85	11.33	11.33
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.33	21.00	1.00	1.00
##000000	11.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C7F1

Deuteranopia (green-blind)

#A3B8EF

Tritanopia (blue-blind)

#00D6D6

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #64cbef;
/* rgb */ color: rgb(100, 203, 239);
/* oklch */ color: oklch(79.4% 0.108 223.6);

Tailwind

colors: {
  custom: {
    50: '#9bdbf4',
    500: '#64cbef',
    950: '#000000',
  },
}

SCSS

$custom: #64cbef;
$custom-light: #9bdbf4;
$custom-dark: #000000;

JSON

{
  "hex": "#64cbef",
  "rgb": {
    "r": 100,
    "g": 203,
    "b": 239
  },
  "hsl": {
    "h": 195.54,
    "s": 81.287,
    "l": 66.471
  },
  "oklch": {
    "l": 0.79432,
    "c": 0.10805,
    "h": 223.6
  },
  "luminance": 0.51653
}

Semantic roles & 50–950 ramp

primary

#64CBEF

secondary

#C25A35

accent

#3F08DE

background

#FCFEFF

surface

#F6FBFE

border

#D0D4D6

text

#0F1517

muted

#808485

Preview Lab

Preview with #64CBEF

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

Preview Lab → · Contrast checker → · Palette generator →