#3F0C16#3F0C16

#3F0C16 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.078 H 13.7°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#3F0C16
RGB	rgb(63, 12, 22)
HSL	hsl(348, 68%, 15%)
HSV	hsv(348, 81%, 25%)
CMYK	cmyk(0%, 81%, 65.1%, 75.3%)
CIE-LAB	lab(11.81, 25.30, 7.46)
CIE-LCH	lch(11.81, 26.38, 16.42°)
OKLab	oklab(24.97% 0.0762 0.0186)
OKLCH	oklch(24.97% 0.078 13.7)
XYZ	xyz(2.3264, 1.3780, 0.9024)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0C16 #0C3F35

analogous

#3F0C30 #3F0C16 #3F1B0C

triadic

#3F0C16 #163F0C #0C163F

tetradic

#3F0C16 #303F0C #0C3F35 #1B0C3F

square

#3F0C16 #303F0C #0C3F35 #1B0C3F

split-complementary

#3F0C16 #0C3F1B #0C303F

monochromatic

#1A0509 #1A0509 #3F0C16 #721628 #A6203A

Accessibility & contrast

On white

16.46

#3F0C16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0C16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0C16

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0C16	#FFFFFF	#000000	##FFFFFF
##3F0C16	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191816

Deuteranopia (green-blind)

#262315

Tritanopia (blue-blind)

#460210

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0c16;
/* rgb */ color: rgb(63, 12, 22);
/* oklch */ color: oklch(25.0% 0.078 13.7);

Tailwind

colors: {
  custom: {
    50: '#784f52',
    500: '#3f0c16',
    950: '#000000',
  },
}

SCSS

$custom: #3f0c16;
$custom-light: #784f52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0c16",
  "rgb": {
    "r": 63,
    "g": 12,
    "b": 22
  },
  "hsl": {
    "h": 348.235,
    "s": 68,
    "l": 14.706
  },
  "oklch": {
    "l": 0.24965,
    "c": 0.07844,
    "h": 13.7
  },
  "luminance": 0.01378
}

Semantic roles & 50–950 ramp

primary

#3F0C16

secondary

#2C7B6C

accent

#EBC93D

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090202

muted

#7B7878

Preview Lab

Preview with #3F0C16

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

Preview Lab → · Contrast checker → · Palette generator →