#3F0C04#3F0C04

#3F0C04 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.081 H 32.8°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#3F0C04
RGB	rgb(63, 12, 4)
HSL	hsl(8, 88%, 13%)
HSV	hsv(8, 94%, 25%)
CMYK	cmyk(0%, 81%, 93.7%, 75.3%)
CIE-LAB	lab(11.48, 24.14, 16.13)
CIE-LCH	lch(11.48, 29.04, 33.75°)
OKLab	oklab(24.61% 0.0679 0.0437)
OKLCH	oklch(24.61% 0.081 32.8)
XYZ	xyz(2.2035, 1.3288, 0.2553)
Luminance	0.0133 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0C04 #04373F

analogous

#3F0419 #3F0C04 #3F2904

triadic

#3F0C04 #043F0C #0C043F

tetradic

#3F0C04 #193F04 #04373F #29043F

square

#3F0C04 #193F04 #04373F #29043F

split-complementary

#3F0C04 #043F29 #04193F

monochromatic

#1D0502 #1D0502 #3F0C04 #791708 #B2220B

Accessibility & contrast

On white

16.59

#3F0C04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3F0C04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0C04

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0C04	#FFFFFF	#000000	##FFFFFF
##3F0C04	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1703

Deuteranopia (green-blind)

#282302

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0c04;
/* rgb */ color: rgb(63, 12, 4);
/* oklch */ color: oklch(24.6% 0.081 32.8);

Tailwind

colors: {
  custom: {
    50: '#794f48',
    500: '#3f0c04',
    950: '#000000',
  },
}

SCSS

$custom: #3f0c04;
$custom-light: #794f48;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0c04",
  "rgb": {
    "r": 63,
    "g": 12,
    "b": 4
  },
  "hsl": {
    "h": 8.136,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24608,
    "c": 0.08071,
    "h": 32.8
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary

#3F0C04

secondary

#1E7380

accent

#E1FE2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0C04

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

Preview Lab → · Contrast checker → · Palette generator →