#3F0512#3F0512

#3F0512 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.087 H 14.4°. Best body text is #FFFFFF at 16.91:1 contrast (WCAG AA passes).

Color values

HEX	#3F0512
RGB	rgb(63, 5, 18)
HSL	hsl(347, 85%, 13%)
HSV	hsv(347, 92%, 25%)
CMYK	cmyk(0%, 92.1%, 71.4%, 75.3%)
CIE-LAB	lab(10.63, 28.02, 8.47)
CIE-LCH	lch(10.63, 29.27, 16.81°)
OKLab	oklab(24.06% 0.0841 0.0216)
OKLCH	oklch(24.06% 0.087 14.4)
XYZ	xyz(2.2136, 1.2093, 0.6890)
Luminance	0.0121 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0512 #053F32

analogous

#3F052F #3F0512 #3F1505

triadic

#3F0512 #123F05 #05123F

tetradic

#3F0512 #2F3F05 #053F32 #15053F

square

#3F0512 #2F3F05 #053F32 #15053F

split-complementary

#3F0512 #053F15 #052F3F

monochromatic

#1C0208 #1C0208 #3F0512 #780922 #B00E32

Accessibility & contrast

On white

16.91

#3F0512 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0512 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0512

16.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0512	#FFFFFF	#000000	##FFFFFF
##3F0512	1.00	16.91	1.24	16.91
#FFFFFF	16.91	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161512

Deuteranopia (green-blind)

#252110

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0512;
/* rgb */ color: rgb(63, 5, 18);
/* oklch */ color: oklch(24.1% 0.087 14.4);

Tailwind

colors: {
  custom: {
    50: '#794c4f',
    500: '#3f0512',
    950: '#000000',
  },
}

SCSS

$custom: #3f0512;
$custom-light: #794c4f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0512",
  "rgb": {
    "r": 63,
    "g": 5,
    "b": 18
  },
  "hsl": {
    "h": 346.552,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24056,
    "c": 0.08683,
    "h": 14.4
  },
  "luminance": 0.01209
}

Semantic roles & 50–950 ramp

primary

#3F0512

secondary

#20806A

accent

#FCCD2C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0102

muted

#7C7778

Preview Lab

Preview with #3F0512

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

Preview Lab → · Contrast checker → · Palette generator →