#3A040D#3A040D

#3A040D is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.083 H 17.6°. Best body text is #FFFFFF at 17.46:1 contrast (WCAG AA passes).

Color values

HEX	#3A040D
RGB	rgb(58, 4, 13)
HSL	hsl(350, 87%, 12%)
HSV	hsv(350, 93%, 23%)
CMYK	cmyk(0%, 93.1%, 77.6%, 77.3%)
CIE-LAB	lab(9.12, 26.49, 8.88)
CIE-LCH	lch(9.12, 27.93, 18.53°)
OKLab	oklab(22.7% 0.0787 0.0249)
OKLCH	oklch(22.7% 0.083 17.6)
XYZ	xyz(1.8612, 1.0157, 0.4787)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A040D #043A31

analogous

#3A0428 #3A040D #3A1604

triadic

#3A040D #0D3A04 #040D3A

tetradic

#3A040D #283A04 #043A31 #16043A

square

#3A040D #283A04 #043A31 #16043A

split-complementary

#3A040D #043A16 #04283A

monochromatic

#1D0206 #1D0206 #3A040D #73081A #AD0C27

Accessibility & contrast

On white

17.46

#3A040D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A040D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A040D

17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A040D	#FFFFFF	#000000	##FFFFFF
##3A040D	1.00	17.46	1.20	17.46
#FFFFFF	17.46	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14120D

Deuteranopia (green-blind)

#221E0B

Tritanopia (blue-blind)

#410007

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3a040d;
/* rgb */ color: rgb(58, 4, 13);
/* oklch */ color: oklch(22.7% 0.083 17.6);

Tailwind

colors: {
  custom: {
    50: '#754a4c',
    500: '#3a040d',
    950: '#000000',
  },
}

SCSS

$custom: #3a040d;
$custom-light: #754a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3a040d",
  "rgb": {
    "r": 58,
    "g": 4,
    "b": 13
  },
  "hsl": {
    "h": 350,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22695,
    "c": 0.08256,
    "h": 17.6
  },
  "luminance": 0.01015
}

Semantic roles & 50–950 ramp

primary

#3A040D

secondary

#1E7C6C

accent

#FDDA2B

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A040D

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

Preview Lab → · Contrast checker → · Palette generator →