#3A040F#3A040F

#3A040F is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.7% C 0.083 H 15.3°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A040F
RGB	rgb(58, 4, 15)
HSL	hsl(348, 87%, 12%)
HSV	hsv(348, 93%, 23%)
CMYK	cmyk(0%, 93.1%, 74.1%, 77.3%)
CIE-LAB	lab(9.17, 26.62, 7.94)
CIE-LCH	lch(9.17, 27.78, 16.60°)
OKLab	oklab(22.74% 0.0797 0.0218)
OKLCH	oklch(22.74% 0.083 15.3)
XYZ	xyz(1.8748, 1.0212, 0.5502)
Luminance	0.0102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A040F #043A2F

analogous

#3A042A #3A040F #3A1404

triadic

#3A040F #0F3A04 #040F3A

tetradic

#3A040F #2A3A04 #043A2F #14043A

square

#3A040F #2A3A04 #043A2F #14043A

split-complementary

#3A040F #043A14 #042A3A

monochromatic

#1D0207 #1D0207 #3A040F #73081E #AD0C2D

Accessibility & contrast

On white

17.44

#3A040F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#3A040F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A040F

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A040F	#FFFFFF	#000000	##FFFFFF
##3A040F	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13120F

Deuteranopia (green-blind)

#211E0D

Tritanopia (blue-blind)

#410008

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3a040f;
/* rgb */ color: rgb(58, 4, 15);
/* oklch */ color: oklch(22.7% 0.083 15.3);

Tailwind

colors: {
  custom: {
    50: '#754a4d',
    500: '#3a040f',
    950: '#000000',
  },
}

SCSS

$custom: #3a040f;
$custom-light: #754a4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3a040f",
  "rgb": {
    "r": 58,
    "g": 4,
    "b": 15
  },
  "hsl": {
    "h": 347.778,
    "s": 87.097,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22742,
    "c": 0.08261,
    "h": 15.3
  },
  "luminance": 0.01021
}

Semantic roles & 50–950 ramp

primary

#3A040F

secondary

#1E7C69

accent

#FDD22B

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A040F

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

Preview Lab → · Contrast checker → · Palette generator →