#3F0915#3F0915

#3F0915 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.6% C 0.082 H 13.2°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#3F0915
RGB	rgb(63, 9, 21)
HSL	hsl(347, 75%, 14%)
HSV	hsv(347, 86%, 25%)
CMYK	cmyk(0%, 85.7%, 66.7%, 75.3%)
CIE-LAB	lab(11.32, 26.50, 7.49)
CIE-LCH	lch(11.32, 27.54, 15.77°)
OKLab	oklab(24.6% 0.0799 0.0187)
OKLCH	oklch(24.6% 0.082 13.2)
XYZ	xyz(2.2832, 1.3066, 0.8413)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0915 #093F33

analogous

#3F0930 #3F0915 #3F1809

triadic

#3F0915 #153F09 #09153F

tetradic

#3F0915 #303F09 #093F33 #18093F

square

#3F0915 #303F09 #093F33 #18093F

split-complementary

#3F0915 #093F18 #09303F

monochromatic

#1B0409 #1B0409 #3F0915 #751127 #AA1839

Accessibility & contrast

On white

16.65

#3F0915 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0915 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0915

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0915	#FFFFFF	#000000	##FFFFFF
##3F0915	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181715

Deuteranopia (green-blind)

#252214

Tritanopia (blue-blind)

#46000E

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0915;
/* rgb */ color: rgb(63, 9, 21);
/* oklch */ color: oklch(24.6% 0.082 13.2);

Tailwind

colors: {
  custom: {
    50: '#784e52',
    500: '#3f0915',
    950: '#000000',
  },
}

SCSS

$custom: #3f0915;
$custom-light: #784e52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0915",
  "rgb": {
    "r": 63,
    "g": 9,
    "b": 21
  },
  "hsl": {
    "h": 346.667,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.24595,
    "c": 0.08203,
    "h": 13.2
  },
  "luminance": 0.01306
}

Semantic roles & 50–950 ramp

primary

#3F0915

secondary

#277D6A

accent

#F2C836

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #3F0915

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

Preview Lab → · Contrast checker → · Palette generator →