#64B1FC#64B1FC

#64B1FC is a light, vivid cyan. Relative luminance 0.412; OKLCH L 74.2% C 0.133 H 249.5°. Best body text is #000000 at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#64B1FC
RGB	rgb(100, 177, 252)
HSL	hsl(210, 96%, 69%)
HSV	hsv(210, 60%, 99%)
CMYK	cmyk(60.3%, 29.8%, 0%, 1.2%)
CIE-LAB	lab(70.30, -1.90, -44.30)
CIE-LCH	lch(70.30, 44.34, 267.54°)
OKLab	oklab(74.24% -0.0467 -0.1249)
OKLCH	oklch(74.24% 0.133 249.5)
XYZ	xyz(38.5419, 41.1783, 97.9937)
Luminance	0.4118 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64B1FC #FCAF64

analogous

#64FCFB #64B1FC #6465FC

triadic

#64B1FC #FC64B1 #B1FC64

tetradic

#64B1FC #FB64FC #FCAF64 #65FC64

square

#64B1FC #FB64FC #FCAF64 #65FC64

split-complementary

#64B1FC #FC6465 #FCFB64

monochromatic

#0474E1 #2893FB #64B1FC #A0CFFD #DCEDFE

Accessibility & contrast

On white

2.27

#64B1FC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.24

#64B1FC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #64B1FC

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64B1FC	#FFFFFF	#000000	##000000
##64B1FC	1.00	2.27	9.24	9.24
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.24	21.00	1.00	1.00
##000000	9.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91B4FF

Deuteranopia (green-blind)

#7CA5FB

Tritanopia (blue-blind)

#00C3CB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #64b1fc;
/* rgb */ color: rgb(100, 177, 252);
/* oklch */ color: oklch(74.2% 0.133 249.5);

Tailwind

colors: {
  custom: {
    50: '#9cc8fd',
    500: '#64b1fc',
    950: '#000000',
  },
}

SCSS

$custom: #64b1fc;
$custom-light: #9cc8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#64b1fc",
  "rgb": {
    "r": 100,
    "g": 177,
    "b": 252
  },
  "hsl": {
    "h": 209.605,
    "s": 96.203,
    "l": 69.02
  },
  "oklch": {
    "l": 0.74235,
    "c": 0.1334,
    "h": 249.5
  },
  "luminance": 0.41182
}

Semantic roles & 50–950 ramp

primary

#64B1FC

secondary

#F4DEC8

accent

#7100E6

background

#FAFCFF

surface

#F4F8FF

border

#CED1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #64B1FC

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

Preview Lab → · Contrast checker → · Palette generator →