#3FA6BB#3FA6BB

#3FA6BB is a light, moderate cyan. Relative luminance 0.319; OKLCH L 67.4% C 0.098 H 213.7°. Best body text is #000000 at 7.38:1 contrast (WCAG AA passes).

Color values

HEX#3FA6BB
RGBrgb(63, 166, 187)
HSLhsl(190, 50%, 49%)
HSVhsv(190, 66%, 73%)
CMYKcmyk(66.3%, 11.2%, 0%, 26.7%)
CIE-LABlab(63.27, -22.82, -19.52)
CIE-LCHlch(63.27, 30.03, 220.54°)
OKLaboklab(67.44% -0.0814 -0.0543)
OKLCHoklch(67.44% 0.098 213.7)
XYZxyz(24.6520, 31.9144, 51.8649)
Luminance0.3192 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3FA6BB #BB543F
analogous
#3FBB92 #3FA6BB #3F68BB
triadic
#3FA6BB #BB3FA6 #A6BB3F
tetradic
#3FA6BB #923FBB #BB543F #68BB3F
square
#3FA6BB #923FBB #BB543F #68BB3F
split-complementary
#3FA6BB #BB3F68 #BB923F
monochromatic
#20555F #307D8D #3FA6BB #6ABCCD #98D1DC

Accessibility & contrast

On white

2.84
#3FA6BB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.38
#3FA6BB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FA6BB
7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3FA6BB#FFFFFF#000000##000000
##3FA6BB1.002.847.387.38
#FFFFFF2.841.0021.0021.00
#0000007.3821.001.001.00
##0000007.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#96A1BC
Deuteranopia (green-blind)
#8593BB
Tritanopia (blue-blind)
#00AEAC
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #3fa6bb;
/* rgb */ color: rgb(63, 166, 187);
/* oklch */ color: oklch(67.4% 0.098 213.7);
Tailwind
colors: {
  custom: {
    50: '#83c0cf',
    500: '#3fa6bb',
    950: '#000000',
  },
}
SCSS
$custom: #3fa6bb;
$custom-light: #83c0cf;
$custom-dark: #000000;
JSON
{
  "hex": "#3fa6bb",
  "rgb": {
    "r": 63,
    "g": 166,
    "b": 187
  },
  "hsl": {
    "h": 190.161,
    "s": 49.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.6744,
    "c": 0.0978,
    "h": 213.7
  },
  "luminance": 0.31917
}

Semantic roles & 50–950 ramp

primary
#3FA6BB
secondary
#C8988E
accent
#664FD9
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1213
muted
#7D8182

Preview Lab

Preview with #3FA6BB

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

Preview Lab → · Contrast checker → · Palette generator →

#3FA6BB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva