#3FACC4#3FACC4

#3FACC4 is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.3% C 0.103 H 215.2°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX#3FACC4
RGBrgb(63, 172, 196)
HSLhsl(191, 53%, 51%)
HSVhsv(191, 68%, 77%)
CMYKcmyk(67.9%, 12.2%, 0%, 23.1%)
CIE-LABlab(65.39, -23.11, -21.30)
CIE-LCHlch(65.39, 31.43, 222.66°)
OKLaboklab(69.25% -0.0839 -0.0593)
OKLCHoklch(69.25% 0.103 215.2)
XYZxyz(26.7621, 34.5443, 57.4711)
Luminance0.3455 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FACC4 #C4573F
analogous
#3FC499 #3FACC4 #3F69C4
triadic
#3FACC4 #C43FAC #ACC43F
tetradic
#3FACC4 #993FC4 #C4573F #69C43F
square
#3FACC4 #993FC4 #C4573F #69C43F
split-complementary
#3FACC4 #C43F69 #C4993F
monochromatic
#205B68 #2E8497 #3FACC4 #6EC0D2 #9DD4E1

Accessibility & contrast

On white

2.66
#3FACC4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.91
#3FACC4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FACC4
7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FACC4#FFFFFF#000000##000000
##3FACC41.002.667.917.91
#FFFFFF2.661.0021.0021.00
#0000007.9121.001.001.00
##0000007.9121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9BA7C5
Deuteranopia (green-blind)
#8899C4
Tritanopia (blue-blind)
#00B5B3
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #3facc4;
/* rgb */ color: rgb(63, 172, 196);
/* oklch */ color: oklch(69.3% 0.103 215.2);
Tailwind
colors: {
  custom: {
    50: '#84c5d6',
    500: '#3facc4',
    950: '#000000',
  },
}
SCSS
$custom: #3facc4;
$custom-light: #84c5d6;
$custom-dark: #000000;
JSON
{
  "hex": "#3facc4",
  "rgb": {
    "r": 63,
    "g": 172,
    "b": 196
  },
  "hsl": {
    "h": 190.827,
    "s": 52.988,
    "l": 50.784
  },
  "oklch": {
    "l": 0.69251,
    "c": 0.10276,
    "h": 215.2
  },
  "luminance": 0.34547
}

Semantic roles & 50–950 ramp

primary
#3FACC4
secondary
#CD9D92
accent
#664BDC
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #3FACC4

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

Preview Lab → · Contrast checker → · Palette generator →

#3FACC4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva