#3F413F#3F413F

#3F413F is a dark, near-neutral grey. Relative luminance 0.052; OKLCH L 37.3% C 0.004 H 145.5°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#3F413F
RGB	rgb(63, 65, 63)
HSL	hsl(120, 2%, 25%)
HSV	hsv(120, 3%, 25%)
CMYK	cmyk(3.1%, 0%, 3.1%, 74.5%)
CIE-LAB	lab(27.29, -1.29, 0.93)
CIE-LCH	lch(27.29, 1.59, 144.30°)
OKLab	oklab(37.27% -0.0035 0.0024)
OKLCH	oklch(37.27% 0.004 145.5)
XYZ	xyz(4.8372, 5.1962, 5.4498)
Luminance	0.0520 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F413F #413F41

analogous

#40413F #3F413F #3F4140

triadic

#3F413F #3F3F41 #413F3F

tetradic

#3F413F #3F4041 #413F41 #41403F

square

#3F413F #3F4041 #413F41 #41403F

split-complementary

#3F413F #403F41 #413F40

monochromatic

#0F100F #212221 #3F413F #5D605D #7B7F7B

Accessibility & contrast

On white

10.30

#3F413F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#3F413F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F413F

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F413F	#FFFFFF	#000000	##FFFFFF
##3F413F	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41413F

Deuteranopia (green-blind)

#41403F

Tritanopia (blue-blind)

#3F4140

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3f413f;
/* rgb */ color: rgb(63, 65, 63);
/* oklch */ color: oklch(37.3% 0.004 145.5);

Tailwind

colors: {
  custom: {
    50: '#747574',
    500: '#3f413f',
    950: '#000000',
  },
}

SCSS

$custom: #3f413f;
$custom-light: #747574;
$custom-dark: #000000;

JSON

{
  "hex": "#3f413f",
  "rgb": {
    "r": 63,
    "g": 65,
    "b": 63
  },
  "hsl": {
    "h": 120,
    "s": 1.562,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37268,
    "c": 0.00429,
    "h": 145.5
  },
  "luminance": 0.05196
}

Semantic roles & 50–950 ramp

primary

#3F413F

secondary

#6F6D6F

accent

#7DABAB

background

#F7F7F7

surface

#EDEDED

border

#C8C8C8

text

#080808

muted

#7B7B7B

Preview Lab

Preview with #3F413F

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

Preview Lab → · Contrast checker → · Palette generator →