#64ACFB#64ACFB

#64ACFB is a light, vivid cyan. Relative luminance 0.392; OKLCH L 73.1% C 0.136 H 252.1°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#64ACFB
RGB	rgb(100, 172, 251)
HSL	hsl(211, 95%, 69%)
HSV	hsv(211, 60%, 98%)
CMYK	cmyk(60.2%, 31.5%, 0%, 1.6%)
CIE-LAB	lab(68.88, 0.58, -45.99)
CIE-LCH	lch(68.88, 46.00, 270.73°)
OKLab	oklab(73.1% -0.0419 -0.1299)
OKLCH	oklch(73.1% 0.136 252.1)
XYZ	xyz(37.4143, 39.1760, 96.8381)
Luminance	0.3918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64ACFB #FBB364

analogous

#64F7FB #64ACFB #6864FB

triadic

#64ACFB #FB64AC #ACFB64

tetradic

#64ACFB #FB64F7 #FBB364 #64FB68

square

#64ACFB #FB64F7 #FBB364 #64FB68

split-complementary

#64ACFB #FB6864 #F7FB64

monochromatic

#066DDF #288CF9 #64ACFB #A0CCFD #DBECFE

Accessibility & contrast

On white

2.38

#64ACFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#64ACFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACFB

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64ACFB	#FFFFFF	#000000	##000000
##64ACFB	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8AB0FE

Deuteranopia (green-blind)

#76A2F9

Tritanopia (blue-blind)

#00BEC8

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #64acfb;
/* rgb */ color: rgb(100, 172, 251);
/* oklch */ color: oklch(73.1% 0.136 252.1);

Tailwind

colors: {
  custom: {
    50: '#9cc4fd',
    500: '#64acfb',
    950: '#000000',
  },
}

SCSS

$custom: #64acfb;
$custom-light: #9cc4fd;
$custom-dark: #000000;

JSON

{
  "hex": "#64acfb",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 251
  },
  "hsl": {
    "h": 211.391,
    "s": 94.969,
    "l": 68.824
  },
  "oklch": {
    "l": 0.73104,
    "c": 0.13648,
    "h": 252.1
  },
  "luminance": 0.39179
}

Semantic roles & 50–950 ramp

primary

#64ACFB

secondary

#F4DEC7

accent

#7800E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64ACFB

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

Preview Lab → · Contrast checker → · Palette generator →