#3F8CAA#3F8CAA

#3F8CAA is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.4% C 0.088 H 226.6°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX#3F8CAA
RGBrgb(63, 140, 170)
HSLhsl(197, 46%, 46%)
HSVhsv(197, 63%, 67%)
CMYKcmyk(62.9%, 17.6%, 0%, 33.3%)
CIE-LABlab(54.78, -14.36, -22.89)
CIE-LCHlch(54.78, 27.02, 237.90°)
OKLaboklab(60.42% -0.0603 -0.0639)
OKLCHoklch(60.42% 0.088 226.6)
XYZxyz(18.6808, 22.7133, 41.4220)
Luminance0.2271 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8CAA #AA5D3F
analogous
#3FAA92 #3F8CAA #3F57AA
triadic
#3F8CAA #AA3F8C #8CAA3F
tetradic
#3F8CAA #923FAA #AA5D3F #57AA3F
square
#3F8CAA #923FAA #AA5D3F #57AA3F
split-complementary
#3F8CAA #AA3F57 #AA923F
monochromatic
#1E4251 #2E677D #3F8CAA #62A9C5 #8EC1D5

Accessibility & contrast

On white

3.79
#3F8CAA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.54
#3F8CAA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8CAA
5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8CAA#FFFFFF#000000##000000
##3F8CAA1.003.795.545.54
#FFFFFF3.791.0021.0021.00
#0000005.5421.001.001.00
##0000005.5421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C89AC
Deuteranopia (green-blind)
#6D7EAA
Tritanopia (blue-blind)
#009596
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3f8caa;
/* rgb */ color: rgb(63, 140, 170);
/* oklch */ color: oklch(60.4% 0.088 226.6);
Tailwind
colors: {
  custom: {
    50: '#7fadc3',
    500: '#3f8caa',
    950: '#000000',
  },
}
SCSS
$custom: #3f8caa;
$custom-light: #7fadc3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8caa",
  "rgb": {
    "r": 63,
    "g": 140,
    "b": 170
  },
  "hsl": {
    "h": 196.822,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60421,
    "c": 0.08785,
    "h": 226.6
  },
  "luminance": 0.22715
}

Semantic roles & 50–950 ramp

primary
#3F8CAA
secondary
#C09585
accent
#7752D6
background
#F8FAFC
surface
#EFF4F8
border
#CACED1
text
#0B1012
muted
#7C7F81

Preview Lab

Preview with #3F8CAA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8CAA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva