#3A040A#3A040A

#3A040A is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.6% C 0.083 H 20.7°. Best body text is #FFFFFF at 17.48:1 contrast (WCAG AA passes).

Color values

HEX	#3A040A
RGB	rgb(58, 4, 10)
HSL	hsl(353, 87%, 12%)
HSV	hsv(353, 93%, 23%)
CMYK	cmyk(0%, 93.1%, 82.8%, 77.3%)
CIE-LAB	lab(9.06, 26.31, 10.12)
CIE-LCH	lch(9.06, 28.19, 21.05°)
OKLab	oklab(22.63% 0.0773 0.0293)
OKLCH	oklch(22.63% 0.083 20.7)
XYZ	xyz(1.8433, 1.0086, 0.3847)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A040A #043A34

analogous

#3A0425 #3A040A #3A1904

triadic

#3A040A #0A3A04 #040A3A

tetradic

#3A040A #253A04 #043A34 #19043A

square

#3A040A #253A04 #043A34 #19043A

split-complementary

#3A040A #043A19 #04253A

monochromatic

#1D0205 #1D0205 #3A040A #730814 #AD0C1E

Accessibility & contrast

On white

17.48

#3A040A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A040A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A040A

17.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A040A	#FFFFFF	#000000	##FFFFFF
##3A040A	1.00	17.48	1.20	17.48
#FFFFFF	17.48	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120A

Deuteranopia (green-blind)

#221E08

Tritanopia (blue-blind)

#410006

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3a040a;
/* rgb */ color: rgb(58, 4, 10);
/* oklch */ color: oklch(22.6% 0.083 20.7);

Tailwind

colors: {
  custom: {
    50: '#754a4b',
    500: '#3a040a',
    950: '#000000',
  },
}

SCSS

$custom: #3a040a;
$custom-light: #754a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3a040a",
  "rgb": {
    "r": 58,
    "g": 4,
    "b": 10
  },
  "hsl": {
    "h": 353.333,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22632,
    "c": 0.08267,
    "h": 20.7
  },
  "luminance": 0.01008
}

Semantic roles & 50–950 ramp

primary

#3A040A

secondary

#1E7C71

accent

#FDE62B

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A040A

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

Preview Lab → · Contrast checker → · Palette generator →