#3B0904#3B0904

#3B0904 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.4% C 0.079 H 31.0°. Best body text is #FFFFFF at 17.12:1 contrast (WCAG AA passes).

Color values

HEX	#3B0904
RGB	rgb(59, 9, 4)
HSL	hsl(5, 87%, 12%)
HSV	hsv(5, 93%, 23%)
CMYK	cmyk(0%, 84.7%, 93.2%, 76.9%)
CIE-LAB	lab(10.06, 23.92, 14.02)
CIE-LCH	lch(10.06, 27.72, 30.39°)
OKLab	oklab(23.39% 0.0677 0.0406)
OKLCH	oklch(23.39% 0.079 31)
XYZ	xyz(1.9235, 1.1342, 0.2325)
Luminance	0.0113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0904 #04363B

analogous

#3B041A #3B0904 #3B2504

triadic

#3B0904 #043B09 #09043B

tetradic

#3B0904 #1A3B04 #04363B #25043B

square

#3B0904 #1A3B04 #04363B #25043B

split-complementary

#3B0904 #043B25 #041A3B

monochromatic

#1D0402 #1D0402 #3B0904 #741208 #AE1A0C

Accessibility & contrast

On white

17.12

#3B0904 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#3B0904 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0904

17.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0904	#FFFFFF	#000000	##FFFFFF
##3B0904	1.00	17.12	1.23	17.12
#FFFFFF	17.12	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181503

Deuteranopia (green-blind)

#252003

Tritanopia (blue-blind)

#420008

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3b0904;
/* rgb */ color: rgb(59, 9, 4);
/* oklch */ color: oklch(23.4% 0.079 31.0);

Tailwind

colors: {
  custom: {
    50: '#764d48',
    500: '#3b0904',
    950: '#000000',
  },
}

SCSS

$custom: #3b0904;
$custom-light: #764d48;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0904",
  "rgb": {
    "r": 59,
    "g": 9,
    "b": 4
  },
  "hsl": {
    "h": 5.455,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.23385,
    "c": 0.07888,
    "h": 31
  },
  "luminance": 0.01134
}

Semantic roles & 50–950 ramp

primary

#3B0904

secondary

#1E747D

accent

#EAFD2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3B0904

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

Preview Lab → · Contrast checker → · Palette generator →