#3F565C#3F565C

#3F565C is a dark, muted cyan. Relative luminance 0.085; OKLCH L 43.7% C 0.030 H 215.6°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#3F565C
RGBrgb(63, 86, 92)
HSLhsl(192, 19%, 30%)
HSVhsv(192, 32%, 36%)
CMYKcmyk(31.5%, 6.5%, 0%, 63.9%)
CIE-LABlab(34.97, -7.09, -6.31)
CIE-LCHlch(34.97, 9.49, 221.69°)
OKLaboklab(43.67% -0.0241 -0.0172)
OKLCHoklch(43.67% 0.03 215.6)
XYZxyz(7.3088, 8.4847, 11.3757)
Luminance0.0848 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F565C #5C453F
analogous
#3F5C53 #3F565C #3F475C
triadic
#3F565C #5C3F56 #565C3F
tetradic
#3F565C #533F5C #5C453F #475C3F
square
#3F565C #533F5C #5C453F #475C3F
split-complementary
#3F565C #5C3F47 #5C533F
monochromatic
#0D1213 #263438 #3F565C #587880 #7597A0

Accessibility & contrast

On white

7.79
#3F565C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.70
#3F565C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F565C
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F565C#FFFFFF#000000##FFFFFF
##3F565C1.007.792.707.79
#FFFFFF7.791.0021.001.00
#0000002.7021.001.0021.00
##FFFFFF7.791.0021.001.00

Color blindness preview

Protanopia (red-blind)
#52545C
Deuteranopia (green-blind)
#4D515C
Tritanopia (blue-blind)
#355858
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3f565c;
/* rgb */ color: rgb(63, 86, 92);
/* oklch */ color: oklch(43.7% 0.030 215.6);
Tailwind
colors: {
  custom: {
    50: '#75858a',
    500: '#3f565c',
    950: '#000000',
  },
}
SCSS
$custom: #3f565c;
$custom-light: #75858a;
$custom-dark: #000000;
JSON
{
  "hex": "#3f565c",
  "rgb": {
    "r": 63,
    "g": 86,
    "b": 92
  },
  "hsl": {
    "h": 192.414,
    "s": 18.71,
    "l": 30.392
  },
  "oklch": {
    "l": 0.43668,
    "c": 0.02963,
    "h": 215.6
  },
  "luminance": 0.08485
}

Semantic roles & 50–950 ramp

primary
#3F565C
secondary
#8C726B
accent
#7D6CBB
background
#F7F8F8
surface
#EDEFF0
border
#C8CACB
text
#080B0B
muted
#7B7C7C

Preview Lab

Preview with #3F565C

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

Preview Lab → · Contrast checker → · Palette generator →

#3F565C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva