#3F3333#3F3333

#3F3333 is a dark, near-neutral red. Relative luminance 0.037; OKLCH L 33.4% C 0.017 H 18.1°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F3333
RGB	rgb(63, 51, 51)
HSL	hsl(0, 11%, 22%)
HSV	hsv(0, 19%, 25%)
CMYK	cmyk(0%, 19%, 19%, 75.3%)
CIE-LAB	lab(22.53, 5.37, 2.02)
CIE-LCH	lch(22.53, 5.74, 20.57°)
OKLab	oklab(33.42% 0.0165 0.0054)
OKLCH	oklch(33.42% 0.017 18.1)
XYZ	xyz(3.8313, 3.6636, 3.6366)
Luminance	0.0366 (WCAG relative)
Temperature	neutral
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F3333 #333F3F

analogous

#3F3339 #3F3333 #3F3933

triadic

#3F3333 #333F33 #33333F

tetradic

#3F3333 #393F33 #333F3F #39333F

square

#3F3333 #393F33 #333F3F #39333F

split-complementary

#3F3333 #333F39 #33393F

monochromatic

#110E0E #1D1818 #3F3333 #614E4E #836A6A

Accessibility & contrast

On white

12.12

#3F3333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#3F3333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F3333

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F3333	#FFFFFF	#000000	##FFFFFF
##3F3333	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353533

Deuteranopia (green-blind)

#383733

Tritanopia (blue-blind)

#423233

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #3f3333;
/* rgb */ color: rgb(63, 51, 51);
/* oklch */ color: oklch(33.4% 0.017 18.1);

Tailwind

colors: {
  custom: {
    50: '#746a6a',
    500: '#3f3333',
    950: '#000000',
  },
}

SCSS

$custom: #3f3333;
$custom-light: #746a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f3333",
  "rgb": {
    "r": 63,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 10.526,
    "l": 22.353
  },
  "oklch": {
    "l": 0.33417,
    "c": 0.01731,
    "h": 18.1
  },
  "luminance": 0.03663
}

Semantic roles & 50–950 ramp

primary

#3F3333

secondary

#5F6E6E

accent

#B3B374

background

#F7F6F6

surface

#EDEBEB

border

#C8C6C6

text

#080606

muted

#7B7A7A

Preview Lab

Preview with #3F3333

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

Preview Lab → · Contrast checker → · Palette generator →