#340B11#340B11

#340B11 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.4% C 0.066 H 15.7°. Best body text is #FFFFFF at 17.47:1 contrast (WCAG AA passes).

Color values

HEX	#340B11
RGB	rgb(52, 11, 17)
HSL	hsl(351, 65%, 12%)
HSV	hsv(351, 79%, 20%)
CMYK	cmyk(0%, 78.8%, 67.3%, 79.6%)
CIE-LAB	lab(9.08, 21.05, 6.51)
CIE-LCH	lch(9.08, 22.03, 17.18°)
OKLab	oklab(22.44% 0.0632 0.0177)
OKLCH	oklch(22.44% 0.066 15.7)
XYZ	xyz(1.6372, 1.0101, 0.6390)
Luminance	0.0101 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B11 #0B342E

analogous

#340B25 #340B11 #341A0B

triadic

#340B11 #11340B #0B1134

tetradic

#340B11 #25340B #0B342E #1A0B34

square

#340B11 #25340B #0B342E #1A0B34

split-complementary

#340B11 #0B341A #0B2534

monochromatic

#190508 #190508 #340B11 #671622 #992032

Accessibility & contrast

On white

17.47

#340B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#340B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B11

17.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B11	#FFFFFF	#000000	##FFFFFF
##340B11	1.00	17.47	1.20	17.47
#FFFFFF	17.47	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151411

Deuteranopia (green-blind)

#201D10

Tritanopia (blue-blind)

#3A040D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #340b11;
/* rgb */ color: rgb(52, 11, 17);
/* oklch */ color: oklch(22.4% 0.066 15.7);

Tailwind

colors: {
  custom: {
    50: '#6f4d4f',
    500: '#340b11',
    950: '#000000',
  },
}

SCSS

$custom: #340b11;
$custom-light: #6f4d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#340b11",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 17
  },
  "hsl": {
    "h": 351.22,
    "s": 65.079,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22436,
    "c": 0.06561,
    "h": 15.7
  },
  "luminance": 0.0101
}

Semantic roles & 50–950 ramp

primary

#340B11

secondary

#2A7166

accent

#E8CF40

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #340B11

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

Preview Lab → · Contrast checker → · Palette generator →