#64ACF3#64ACF3

#64ACF3 is a light, vivid cyan. Relative luminance 0.387; OKLCH L 72.7% C 0.127 H 249.7°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#64ACF3
RGB	rgb(100, 172, 243)
HSL	hsl(210, 86%, 67%)
HSV	hsv(210, 59%, 95%)
CMYK	cmyk(58.8%, 29.2%, 0%, 4.7%)
CIE-LAB	lab(68.52, -1.95, -42.21)
CIE-LCH	lch(68.52, 42.25, 267.36°)
OKLab	oklab(72.71% -0.0441 -0.1189)
OKLCH	oklch(72.71% 0.127 249.7)
XYZ	xyz(36.1798, 38.6822, 90.3364)
Luminance	0.3869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64ACF3 #F3AB64

analogous

#64F3F2 #64ACF3 #6465F3

triadic

#64ACF3 #F364AC #ACF364

tetradic

#64ACF3 #F264F3 #F3AB64 #65F364

square

#64ACF3 #F264F3 #F3AB64 #65F364

split-complementary

#64ACF3 #F36465 #F3F264

monochromatic

#106FCD #2B8EEF #64ACF3 #9DCAF7 #D6E9FC

Accessibility & contrast

On white

2.40

#64ACF3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#64ACF3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64ACF3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64ACF3	#FFFFFF	#000000	##000000
##64ACF3	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EAFF6

Deuteranopia (green-blind)

#7BA1F2

Tritanopia (blue-blind)

#00BDC5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #64acf3;
/* rgb */ color: rgb(100, 172, 243);
/* oklch */ color: oklch(72.7% 0.127 249.7);

Tailwind

colors: {
  custom: {
    50: '#9bc4f7',
    500: '#64acf3',
    950: '#000000',
  },
}

SCSS

$custom: #64acf3;
$custom-light: #9bc4f7;
$custom-dark: #000000;

JSON

{
  "hex": "#64acf3",
  "rgb": {
    "r": 100,
    "g": 172,
    "b": 243
  },
  "hsl": {
    "h": 209.79,
    "s": 85.629,
    "l": 67.255
  },
  "oklch": {
    "l": 0.72706,
    "c": 0.12681,
    "h": 249.7
  },
  "luminance": 0.38685
}

Semantic roles & 50–950 ramp

primary

#64ACF3

secondary

#F0D9C3

accent

#7203E2

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1217

muted

#7F8185

Preview Lab

Preview with #64ACF3

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

Preview Lab → · Contrast checker → · Palette generator →