#3B0409#3B0409

#3B0409 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.8% C 0.084 H 22.0°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#3B0409
RGB	rgb(59, 4, 9)
HSL	hsl(355, 87%, 12%)
HSV	hsv(355, 93%, 23%)
CMYK	cmyk(0%, 93.2%, 84.7%, 76.9%)
CIE-LAB	lab(9.29, 26.59, 10.89)
CIE-LCH	lch(9.29, 28.74, 22.28°)
OKLab	oklab(22.84% 0.0778 0.0314)
OKLCH	oklch(22.84% 0.084 22)
XYZ	xyz(1.8966, 1.0367, 0.3586)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0409 #043B36

analogous

#3B0425 #3B0409 #3B1A04

triadic

#3B0409 #093B04 #04093B

tetradic

#3B0409 #253B04 #043B36 #1A043B

square

#3B0409 #253B04 #043B36 #1A043B

split-complementary

#3B0409 #043B1A #04253B

monochromatic

#1D0204 #1D0204 #3B0409 #740812 #AE0C1A

Accessibility & contrast

On white

17.40

#3B0409 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B0409 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0409

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0409	#FFFFFF	#000000	##FFFFFF
##3B0409	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151209

Deuteranopia (green-blind)

#231E07

Tritanopia (blue-blind)

#420006

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b0409;
/* rgb */ color: rgb(59, 4, 9);
/* oklch */ color: oklch(22.8% 0.084 22.0);

Tailwind

colors: {
  custom: {
    50: '#764a4a',
    500: '#3b0409',
    950: '#000000',
  },
}

SCSS

$custom: #3b0409;
$custom-light: #764a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0409",
  "rgb": {
    "r": 59,
    "g": 4,
    "b": 9
  },
  "hsl": {
    "h": 354.545,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2284,
    "c": 0.08386,
    "h": 22
  },
  "luminance": 0.01036
}

Semantic roles & 50–950 ramp

primary

#3B0409

secondary

#1E7D74

accent

#FDEA2A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0409

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

Preview Lab → · Contrast checker → · Palette generator →