#3F4841#3F4841

#3F4841 is a dark, near-neutral grey. Relative luminance 0.061; OKLCH L 39.1% C 0.017 H 152.1°. Best body text is #FFFFFF at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#3F4841
RGB	rgb(63, 72, 65)
HSL	hsl(133, 7%, 26%)
HSV	hsv(133, 13%, 28%)
CMYK	cmyk(12.5%, 0%, 9.7%, 71.8%)
CIE-LAB	lab(29.60, -5.26, 2.97)
CIE-LCH	lch(29.60, 6.04, 150.57°)
OKLab	oklab(39.11% -0.0146 0.0077)
OKLCH	oklch(39.11% 0.017 152.1)
XYZ	xyz(5.3212, 6.0731, 5.8919)
Luminance	0.0607 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4841 #483F46

analogous

#42483F #3F4841 #3F4846

triadic

#3F4841 #413F48 #48413F

tetradic

#3F4841 #3F4248 #483F46 #48463F

square

#3F4841 #3F4248 #483F46 #48463F

split-complementary

#3F4841 #463F48 #483F42

monochromatic

#0E100F #222724 #3F4841 #5C695E #78897C

Accessibility & contrast

On white

9.48

#3F4841 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#3F4841 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4841

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4841	#FFFFFF	#000000	##FFFFFF
##3F4841	1.00	9.48	2.21	9.48
#FFFFFF	9.48	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484641

Deuteranopia (green-blind)

#464541

Tritanopia (blue-blind)

#3E4846

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3f4841;
/* rgb */ color: rgb(63, 72, 65);
/* oklch */ color: oklch(39.1% 0.017 152.1);

Tailwind

colors: {
  custom: {
    50: '#747b75',
    500: '#3f4841',
    950: '#000000',
  },
}

SCSS

$custom: #3f4841;
$custom-light: #747b75;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4841",
  "rgb": {
    "r": 63,
    "g": 72,
    "b": 65
  },
  "hsl": {
    "h": 133.333,
    "s": 6.667,
    "l": 26.471
  },
  "oklch": {
    "l": 0.39114,
    "c": 0.01653,
    "h": 152.1
  },
  "luminance": 0.06073
}

Semantic roles & 50–950 ramp

primary

#3F4841

secondary

#776C74

accent

#78A3B0

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080908

muted

#7B7B7B

Preview Lab

Preview with #3F4841

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

Preview Lab → · Contrast checker → · Palette generator →