#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
RGBrgb(100, 177, 252)
HSLhsl(210, 96%, 69%)
HSVhsv(210, 60%, 99%)
CMYKcmyk(60.3%, 29.8%, 0%, 1.2%)
CIE-LABlab(70.30, -1.90, -44.30)
CIE-LCHlch(70.30, 44.34, 267.54°)
OKLaboklab(74.24% -0.0467 -0.1249)
OKLCHoklch(74.24% 0.133 249.5)
XYZxyz(38.5419, 41.1783, 97.9937)
Luminance0.4118 (WCAG relative)
Temperaturecool
Familycyan

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
##64B1FC1.002.279.249.24
#FFFFFF2.271.0021.0021.00
#0000009.2421.001.001.00
##0000009.2421.001.001.00

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 →

#64B1FC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva