#3F413B#3F413B

#3F413B is a dark, near-neutral grey. Relative luminance 0.052; OKLCH L 37.1% C 0.010 H 121.9°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX#3F413B
RGBrgb(63, 65, 59)
HSLhsl(80, 5%, 24%)
HSVhsv(80, 9%, 25%)
CMYKcmyk(3.1%, 0%, 9.2%, 74.5%)
CIE-LABlab(27.17, -2.16, 3.37)
CIE-LCHlch(27.17, 4.00, 122.61°)
OKLaboklab(37.13% -0.0055 0.0088)
OKLCHoklch(37.13% 0.01 121.9)
XYZxyz(4.7295, 5.1531, 4.8823)
Luminance0.0515 (WCAG relative)
Temperatureneutral
Familygrey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F413B #3D3B41
analogous
#41403B #3F413B #3C413B
triadic
#3F413B #3B3F41 #413B3F
tetradic
#3F413B #3B4140 #3D3B41 #413B3C
square
#3F413B #3B4140 #3D3B41 #413B3C
split-complementary
#3F413B #3B3C41 #403B41
monochromatic
#10100F #20211E #3F413B #5E6158 #7D8175

Accessibility & contrast

On white

10.34
#3F413B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.03
#3F413B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F413B
10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F413B#FFFFFF#000000##FFFFFF
##3F413B1.0010.342.0310.34
#FFFFFF10.341.0021.001.00
#0000002.0321.001.0021.00
##FFFFFF10.341.0021.001.00

Color blindness preview

Protanopia (red-blind)
#42403B
Deuteranopia (green-blind)
#42403B
Tritanopia (blue-blind)
#40403F
Achromatopsia (no color)
#404040

Design tokens & code

CSS
--color: #3f413b;
/* rgb */ color: rgb(63, 65, 59);
/* oklch */ color: oklch(37.1% 0.010 121.9);
Tailwind
colors: {
  custom: {
    50: '#747570',
    500: '#3f413b',
    950: '#000000',
  },
}
SCSS
$custom: #3f413b;
$custom-light: #747570;
$custom-dark: #000000;
JSON
{
  "hex": "#3f413b",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 59
  },
  "hsl": {
    "h": 80,
    "s": 4.839,
    "l": 24.314
  },
  "oklch": {
    "l": 0.37134,
    "c": 0.01038,
    "h": 121.9
  },
  "luminance": 0.05153
}

Semantic roles & 50–950 ramp

primary
#3F413B
secondary
#6B6870
accent
#7AAE8B
background
#F7F7F6
surface
#EDEDEC
border
#C8C8C7
text
#080807
muted
#7B7B7A

Preview Lab

Preview with #3F413B

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

Preview Lab → · Contrast checker → · Palette generator →

#3F413B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva