#64BCFF#64BCFF

#64BCFF is a light, vivid cyan. Relative luminance 0.459; OKLCH L 76.8% C 0.129 H 243.6°. Best body text is #000000 at 10.18:1 contrast (WCAG AA passes).

Color values

HEX	#64BCFF
RGB	rgb(100, 188, 255)
HSL	hsl(206, 100%, 70%)
HSV	hsv(206, 61%, 100%)
CMYK	cmyk(60.8%, 26.3%, 0%, 0%)
CIE-LAB	lab(73.48, -7.01, -40.96)
CIE-LCH	lch(73.48, 41.55, 260.28°)
OKLab	oklab(76.78% -0.0572 -0.1152)
OKLCH	oklch(76.78% 0.129 243.6)
XYZ	xyz(41.2820, 45.8918, 101.2708)
Luminance	0.4590 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64BCFF #FFA764

analogous

#64FFF4 #64BCFF #646FFF

triadic

#64BCFF #FF64BC #BCFF64

tetradic

#64BCFF #F464FF #FFA764 #6FFF64

square

#64BCFF #F464FF #FFA764 #6FFF64

split-complementary

#64BCFF #FF646F #FFF464

monochromatic

#0084E9 #27A2FF #64BCFF #A1D6FF #DEF1FF

Accessibility & contrast

On white

2.06

#64BCFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.18

#64BCFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64BCFF

10.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64BCFF	#FFFFFF	#000000	##000000
##64BCFF	1.00	2.06	10.18	10.18
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.18	21.00	1.00	1.00
##000000	10.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EBDFF

Deuteranopia (green-blind)

#89AEFE

Tritanopia (blue-blind)

#00CCD3

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #64bcff;
/* rgb */ color: rgb(100, 188, 255);
/* oklch */ color: oklch(76.8% 0.129 243.6);

Tailwind

colors: {
  custom: {
    50: '#9dd0ff',
    500: '#64bcff',
    950: '#000000',
  },
}

SCSS

$custom: #64bcff;
$custom-light: #9dd0ff;
$custom-dark: #000000;

JSON

{
  "hex": "#64bcff",
  "rgb": {
    "r": 100,
    "g": 188,
    "b": 255
  },
  "hsl": {
    "h": 205.935,
    "s": 100,
    "l": 69.608
  },
  "oklch": {
    "l": 0.7678,
    "c": 0.12858,
    "h": 243.6
  },
  "luminance": 0.45896
}

Semantic roles & 50–950 ramp

primary

#64BCFF

secondary

#F6DCC9

accent

#6300E6

background

#FAFCFF

surface

#F4F9FF

border

#CED2D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #64BCFF

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

Preview Lab → · Contrast checker → · Palette generator →