#3F554F#3F554F

#3F554F is a dark, muted teal. Relative luminance 0.081; OKLCH L 42.9% C 0.029 H 176.3°. Best body text is #FFFFFF at 8.00:1 contrast (WCAG AA passes).

Color values

HEX#3F554F
RGBrgb(63, 85, 79)
HSLhsl(164, 15%, 29%)
HSVhsv(164, 26%, 33%)
CMYKcmyk(25.9%, 0%, 7.1%, 66.7%)
CIE-LABlab(34.23, -9.86, 0.76)
CIE-LCHlch(34.23, 9.89, 175.60°)
OKLaboklab(42.94% -0.0287 0.0019)
OKLCHoklch(42.94% 0.029 176.3)
XYZxyz(6.7093, 8.1180, 8.6090)
Luminance0.0812 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F554F #553F45
analogous
#3F5544 #3F554F #3F5055
triadic
#3F554F #4F3F55 #554F3F
tetradic
#3F554F #443F55 #553F45 #50553F
square
#3F554F #443F55 #553F45 #50553F
split-complementary
#3F554F #553F50 #55443F
monochromatic
#0D1210 #25322E #3F554F #597870 #75998F

Accessibility & contrast

On white

8.00
#3F554F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#3F554F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F554F
8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F554F#FFFFFF#000000##FFFFFF
##3F554F1.008.002.628.00
#FFFFFF8.001.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.001.0021.001.00

Color blindness preview

Protanopia (red-blind)
#53524F
Deuteranopia (green-blind)
#4F4F4F
Tritanopia (blue-blind)
#395653
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #3f554f;
/* rgb */ color: rgb(63, 85, 79);
/* oklch */ color: oklch(42.9% 0.029 176.3);
Tailwind
colors: {
  custom: {
    50: '#748580',
    500: '#3f554f',
    950: '#000000',
  },
}
SCSS
$custom: #3f554f;
$custom-light: #748580;
$custom-dark: #000000;
JSON
{
  "hex": "#3f554f",
  "rgb": {
    "r": 63,
    "g": 85,
    "b": 79
  },
  "hsl": {
    "h": 163.636,
    "s": 14.865,
    "l": 29.02
  },
  "oklch": {
    "l": 0.42935,
    "c": 0.02875,
    "h": 176.3
  },
  "luminance": 0.08118
}

Semantic roles & 50–950 ramp

primary
#3F554F
secondary
#846B72
accent
#7084B8
background
#F7F8F7
surface
#EDEFEE
border
#C8CAC9
text
#080B0A
muted
#7B7C7C

Preview Lab

Preview with #3F554F

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

Preview Lab → · Contrast checker → · Palette generator →

#3F554F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva