#3F0A16#3F0A16

#3F0A16 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.7% C 0.081 H 12.5°. Best body text is #FFFFFF at 16.58:1 contrast (WCAG AA passes).

Color values

HEX	#3F0A16
RGB	rgb(63, 10, 22)
HSL	hsl(346, 73%, 14%)
HSV	hsv(346, 84%, 25%)
CMYK	cmyk(0%, 84.1%, 65.1%, 75.3%)
CIE-LAB	lab(11.50, 26.17, 7.03)
CIE-LCH	lch(11.50, 27.10, 15.03°)
OKLab	oklab(24.73% 0.079 0.0176)
OKLCH	oklch(24.73% 0.081 12.5)
XYZ	xyz(2.3035, 1.3321, 0.8947)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0A16 #0A3F33

analogous

#3F0A31 #3F0A16 #3F190A

triadic

#3F0A16 #163F0A #0A163F

tetradic

#3F0A16 #313F0A #0A3F33 #190A3F

square

#3F0A16 #313F0A #0A3F33 #190A3F

split-complementary

#3F0A16 #0A3F19 #0A313F

monochromatic

#1A0409 #1A0409 #3F0A16 #741228 #A91B3B

Accessibility & contrast

On white

16.58

#3F0A16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3F0A16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0A16

16.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0A16	#FFFFFF	#000000	##FFFFFF
##3F0A16	1.00	16.58	1.27	16.58
#FFFFFF	16.58	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181816

Deuteranopia (green-blind)

#262215

Tritanopia (blue-blind)

#46000F

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0a16;
/* rgb */ color: rgb(63, 10, 22);
/* oklch */ color: oklch(24.7% 0.081 12.5);

Tailwind

colors: {
  custom: {
    50: '#784e52',
    500: '#3f0a16',
    950: '#000000',
  },
}

SCSS

$custom: #3f0a16;
$custom-light: #784e52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0a16",
  "rgb": {
    "r": 63,
    "g": 10,
    "b": 22
  },
  "hsl": {
    "h": 346.415,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24734,
    "c": 0.08092,
    "h": 12.5
  },
  "luminance": 0.01332
}

Semantic roles & 50–950 ramp

primary

#3F0A16

secondary

#297C69

accent

#EFC638

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F0A16

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

Preview Lab → · Contrast checker → · Palette generator →