#3F0D12#3F0D12

#3F0D12 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.077 H 19.2°. Best body text is #FFFFFF at 16.44:1 contrast (WCAG AA passes).

Color values

HEX	#3F0D12
RGB	rgb(63, 13, 18)
HSL	hsl(354, 66%, 15%)
HSV	hsv(354, 79%, 25%)
CMYK	cmyk(0%, 79.4%, 71.4%, 75.3%)
CIE-LAB	lab(11.88, 24.51, 10.20)
CIE-LCH	lch(11.88, 26.55, 22.60°)
OKLab	oklab(24.99% 0.0728 0.0254)
OKLCH	oklch(24.99% 0.077 19.2)
XYZ	xyz(2.3032, 1.3886, 0.7189)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0D12 #0D3F3A

analogous

#3F0D2B #3F0D12 #3F210D

triadic

#3F0D12 #123F0D #0D123F

tetradic

#3F0D12 #2B3F0D #0D3F3A #210D3F

square

#3F0D12 #2B3F0D #0D3F3A #210D3F

split-complementary

#3F0D12 #0D3F21 #0D2B3F

monochromatic

#190507 #190507 #3F0D12 #721720 #A4222F

Accessibility & contrast

On white

16.44

#3F0D12 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0D12 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0D12

16.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0D12	#FFFFFF	#000000	##FFFFFF
##3F0D12	1.00	16.44	1.28	16.44
#FFFFFF	16.44	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1912

Deuteranopia (green-blind)

#272311

Tritanopia (blue-blind)

#46020F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0d12;
/* rgb */ color: rgb(63, 13, 18);
/* oklch */ color: oklch(25.0% 0.077 19.2);

Tailwind

colors: {
  custom: {
    50: '#78504f',
    500: '#3f0d12',
    950: '#000000',
  },
}

SCSS

$custom: #3f0d12;
$custom-light: #78504f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0d12",
  "rgb": {
    "r": 63,
    "g": 13,
    "b": 18
  },
  "hsl": {
    "h": 354,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24988,
    "c": 0.07713,
    "h": 19.2
  },
  "luminance": 0.01388
}

Semantic roles & 50–950 ramp

primary

#3F0D12

secondary

#2D7B73

accent

#E9D83F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #3F0D12

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

Preview Lab → · Contrast checker → · Palette generator →