#3FA4BB#3FA4BB

#3FA4BB is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.0% C 0.098 H 215.6°. Best body text is #000000 at 7.24:1 contrast (WCAG AA passes).

Color values

HEX#3FA4BB
RGBrgb(63, 164, 187)
HSLhsl(191, 50%, 49%)
HSVhsv(191, 66%, 73%)
CMYKcmyk(66.3%, 12.3%, 0%, 26.7%)
CIE-LABlab(62.67, -21.79, -20.44)
CIE-LCHlch(62.67, 29.88, 223.16°)
OKLaboklab(66.96% -0.0793 -0.0569)
OKLCHoklch(66.96% 0.098 215.6)
XYZxyz(24.2913, 31.1929, 51.7447)
Luminance0.3120 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FA4BB #BB563F
analogous
#3FBB94 #3FA4BB #3F66BB
triadic
#3FA4BB #BB3FA4 #A4BB3F
tetradic
#3FA4BB #943FBB #BB563F #66BB3F
square
#3FA4BB #943FBB #BB563F #66BB3F
split-complementary
#3FA4BB #BB3F66 #BB943F
monochromatic
#20545F #307C8D #3FA4BB #6ABBCD #98D0DC

Accessibility & contrast

On white

2.90
#3FA4BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.24
#3FA4BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA4BB
7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FA4BB#FFFFFF#000000##000000
##3FA4BB1.002.907.247.24
#FFFFFF2.901.0021.0021.00
#0000007.2421.001.001.00
##0000007.2421.001.001.00

Color blindness preview

Protanopia (red-blind)
#949FBC
Deuteranopia (green-blind)
#8292BB
Tritanopia (blue-blind)
#00ACAB
Achromatopsia (no color)
#989898

Design tokens & code

CSS
--color: #3fa4bb;
/* rgb */ color: rgb(63, 164, 187);
/* oklch */ color: oklch(67.0% 0.098 215.6);
Tailwind
colors: {
  custom: {
    50: '#83bfcf',
    500: '#3fa4bb',
    950: '#000000',
  },
}
SCSS
$custom: #3fa4bb;
$custom-light: #83bfcf;
$custom-dark: #000000;
JSON
{
  "hex": "#3fa4bb",
  "rgb": {
    "r": 63,
    "g": 164,
    "b": 187
  },
  "hsl": {
    "h": 191.129,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.66956,
    "c": 0.09756,
    "h": 215.6
  },
  "luminance": 0.31196
}

Semantic roles & 50–950 ramp

primary
#3FA4BB
secondary
#C8998E
accent
#684FD9
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #3FA4BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3FA4BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva