#3F0F0C#3F0F0C

#3F0F0C is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.075 H 27.4°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F0C
RGB	rgb(63, 15, 12)
HSL	hsl(4, 68%, 15%)
HSV	hsv(4, 81%, 25%)
CMYK	cmyk(0%, 76.2%, 81%, 75.3%)
CIE-LAB	lab(12.13, 23.13, 13.72)
CIE-LCH	lch(12.13, 26.89, 30.68°)
OKLab	oklab(25.13% 0.067 0.0348)
OKLCH	oklch(25.13% 0.075 27.4)
XYZ	xyz(2.2873, 1.4253, 0.5024)
Luminance	0.0143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F0C #0C3C3F

analogous

#3F0C23 #3F0F0C #3F280C

triadic

#3F0F0C #0C3F0F #0F0C3F

tetradic

#3F0F0C #233F0C #0C3C3F #280C3F

square

#3F0F0C #233F0C #0C3C3F #280C3F

split-complementary

#3F0F0C #0C3F28 #0C233F

monochromatic

#1A0605 #1A0605 #3F0F0C #721B16 #A62720

Accessibility & contrast

On white

16.34

#3F0F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F0F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F0C

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F0C	#FFFFFF	#000000	##FFFFFF
##3F0F0C	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C190B

Deuteranopia (green-blind)

#28240A

Tritanopia (blue-blind)

#46040F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f0c;
/* rgb */ color: rgb(63, 15, 12);
/* oklch */ color: oklch(25.1% 0.075 27.4);

Tailwind

colors: {
  custom: {
    50: '#79504c',
    500: '#3f0f0c',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f0c;
$custom-light: #79504c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f0c",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 12
  },
  "hsl": {
    "h": 3.529,
    "s": 68,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25133,
    "c": 0.07546,
    "h": 27.4
  },
  "luminance": 0.01425
}

Semantic roles & 50–950 ramp

primary

#3F0F0C

secondary

#2C767B

accent

#E1EB3D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0F0C

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

Preview Lab → · Contrast checker → · Palette generator →