#3B0804#3B0804

#3B0804 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.080 H 30.2°. Best body text is #FFFFFF at 17.18:1 contrast (WCAG AA passes).

Color values

HEX	#3B0804
RGB	rgb(59, 8, 4)
HSL	hsl(4, 87%, 12%)
HSV	hsv(4, 93%, 23%)
CMYK	cmyk(0%, 86.4%, 93.2%, 76.9%)
CIE-LAB	lab(9.90, 24.38, 13.79)
CIE-LCH	lch(9.90, 28.01, 29.49°)
OKLab	oklab(23.26% 0.0691 0.0402)
OKLCH	oklch(23.26% 0.08 30.2)
XYZ	xyz(1.9126, 1.1125, 0.2289)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0804 #04373B

analogous

#3B041B #3B0804 #3B2404

triadic

#3B0804 #043B08 #08043B

tetradic

#3B0804 #1B3B04 #04373B #24043B

square

#3B0804 #1B3B04 #04373B #24043B

split-complementary

#3B0804 #043B24 #041B3B

monochromatic

#1D0402 #1D0402 #3B0804 #741008 #AE180C

Accessibility & contrast

On white

17.18

#3B0804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B0804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0804

17.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0804	#FFFFFF	#000000	##FFFFFF
##3B0804	1.00	17.18	1.22	17.18
#FFFFFF	17.18	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181403

Deuteranopia (green-blind)

#241F03

Tritanopia (blue-blind)

#420007

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0804;
/* rgb */ color: rgb(59, 8, 4);
/* oklch */ color: oklch(23.3% 0.080 30.2);

Tailwind

colors: {
  custom: {
    50: '#764c48',
    500: '#3b0804',
    950: '#000000',
  },
}

SCSS

$custom: #3b0804;
$custom-light: #764c48;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0804",
  "rgb": {
    "r": 59,
    "g": 8,
    "b": 4
  },
  "hsl": {
    "h": 4.364,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2326,
    "c": 0.07995,
    "h": 30.2
  },
  "luminance": 0.01112
}

Semantic roles & 50–950 ramp

primary

#3B0804

secondary

#1E767D

accent

#EEFD2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#090100

muted

#7B7777

Preview Lab

Preview with #3B0804

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

Preview Lab → · Contrast checker → · Palette generator →