#3B040D#3B040D

#3B040D is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.9% C 0.084 H 17.9°. Best body text is #FFFFFF at 17.37:1 contrast (WCAG AA passes).

Color values

HEX	#3B040D
RGB	rgb(59, 4, 13)
HSL	hsl(350, 87%, 12%)
HSV	hsv(350, 93%, 23%)
CMYK	cmyk(0%, 93.2%, 78%, 76.9%)
CIE-LAB	lab(9.37, 26.82, 9.27)
CIE-LCH	lch(9.37, 28.38, 19.06°)
OKLab	oklab(22.92% 0.0796 0.0257)
OKLCH	oklch(22.92% 0.084 17.9)
XYZ	xyz(1.9199, 1.0460, 0.4815)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B040D #043B32

analogous

#3B0429 #3B040D #3B1704

triadic

#3B040D #0D3B04 #040D3B

tetradic

#3B040D #293B04 #043B32 #17043B

square

#3B040D #293B04 #043B32 #17043B

split-complementary

#3B040D #043B17 #04293B

monochromatic

#1D0206 #1D0206 #3B040D #74081A #AE0C26

Accessibility & contrast

On white

17.37

#3B040D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B040D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B040D

17.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B040D	#FFFFFF	#000000	##FFFFFF
##3B040D	1.00	17.37	1.21	17.37
#FFFFFF	17.37	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14130D

Deuteranopia (green-blind)

#221E0B

Tritanopia (blue-blind)

#420007

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b040d;
/* rgb */ color: rgb(59, 4, 13);
/* oklch */ color: oklch(22.9% 0.084 17.9);

Tailwind

colors: {
  custom: {
    50: '#764a4c',
    500: '#3b040d',
    950: '#000000',
  },
}

SCSS

$custom: #3b040d;
$custom-light: #764a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3b040d",
  "rgb": {
    "r": 59,
    "g": 4,
    "b": 13
  },
  "hsl": {
    "h": 350.182,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.2292,
    "c": 0.08367,
    "h": 17.9
  },
  "luminance": 0.01046
}

Semantic roles & 50–950 ramp

primary

#3B040D

secondary

#1E7D6D

accent

#FDDB2A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B040D

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

Preview Lab → · Contrast checker → · Palette generator →