#64B7FD#64B7FD

#64B7FD is a light, vivid cyan. Relative luminance 0.437; OKLCH L 75.6% C 0.130 H 246.1°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#64B7FD
RGB	rgb(100, 183, 253)
HSL	hsl(207, 97%, 69%)
HSV	hsv(207, 60%, 99%)
CMYK	cmyk(60.5%, 27.7%, 0%, 0.8%)
CIE-LAB	lab(72.00, -4.91, -42.18)
CIE-LCH	lch(72.00, 42.46, 263.37°)
OKLab	oklab(75.59% -0.0526 -0.1187)
OKLCH	oklch(75.59% 0.13 246.1)
XYZ	xyz(39.9121, 43.6644, 99.2342)
Luminance	0.4367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B7FD #FDAA64

analogous

#64FDF6 #64B7FD #646BFD

triadic

#64B7FD #FD64B7 #B7FD64

tetradic

#64B7FD #F664FD #FDAA64 #6BFD64

square

#64B7FD #F664FD #FDAA64 #6BFD64

split-complementary

#64B7FD #FD646B #FDF664

monochromatic

#037DE4 #289BFC #64B7FD #A0D3FE #DDEFFF

Accessibility & contrast

On white

2.16

#64B7FD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#64B7FD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B7FD

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B7FD	#FFFFFF	#000000	##000000
##64B7FD	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B9FF

Deuteranopia (green-blind)

#84AAFC

Tritanopia (blue-blind)

#00C8CF

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #64b7fd;
/* rgb */ color: rgb(100, 183, 253);
/* oklch */ color: oklch(75.6% 0.130 246.1);

Tailwind

colors: {
  custom: {
    50: '#9cccfe',
    500: '#64b7fd',
    950: '#000000',
  },
}

SCSS

$custom: #64b7fd;
$custom-light: #9cccfe;
$custom-dark: #000000;

JSON

{
  "hex": "#64b7fd",
  "rgb": {
    "r": 100,
    "g": 183,
    "b": 253
  },
  "hsl": {
    "h": 207.451,
    "s": 97.452,
    "l": 69.216
  },
  "oklch": {
    "l": 0.7559,
    "c": 0.12988,
    "h": 246.1
  },
  "luminance": 0.43668
}

Semantic roles & 50–950 ramp

primary

#64B7FD

secondary

#F5DDC8

accent

#6900E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1318

muted

#7F8286

Preview Lab

Preview with #64B7FD

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

Preview Lab → · Contrast checker → · Palette generator →