#340B0A#340B0A

#340B0A is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.066 H 25.5°. Best body text is #FFFFFF at 17.53:1 contrast (WCAG AA passes).

Color values

HEX	#340B0A
RGB	rgb(52, 11, 10)
HSL	hsl(1, 68%, 12%)
HSV	hsv(1, 81%, 20%)
CMYK	cmyk(0%, 78.8%, 80.8%, 79.6%)
CIE-LAB	lab(8.92, 20.48, 9.73)
CIE-LCH	lch(8.92, 22.68, 25.42°)
OKLab	oklab(22.27% 0.0598 0.0285)
OKLCH	oklch(22.27% 0.066 25.5)
XYZ	xyz(1.5908, 0.9915, 0.3947)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B0A #0A3334

analogous

#340A1E #340B0A #34200A

triadic

#340B0A #0A340B #0B0A34

tetradic

#340B0A #1E340A #0A3334 #200A34

square

#340B0A #1E340A #0A3334 #200A34

split-complementary

#340B0A #0A3420 #0A1E34

monochromatic

#1A0505 #1A0505 #340B0A #671614 #9B211E

Accessibility & contrast

On white

17.53

#340B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#340B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B0A

17.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B0A	#FFFFFF	#000000	##FFFFFF
##340B0A	1.00	17.53	1.20	17.53
#FFFFFF	17.53	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140A

Deuteranopia (green-blind)

#201D09

Tritanopia (blue-blind)

#3A030B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #340b0a;
/* rgb */ color: rgb(52, 11, 10);
/* oklch */ color: oklch(22.3% 0.066 25.5);

Tailwind

colors: {
  custom: {
    50: '#6f4d4b',
    500: '#340b0a',
    950: '#000000',
  },
}

SCSS

$custom: #340b0a;
$custom-light: #6f4d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#340b0a",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 10
  },
  "hsl": {
    "h": 1.429,
    "s": 67.742,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22271,
    "c": 0.0662,
    "h": 25.5
  },
  "luminance": 0.00991
}

Semantic roles & 50–950 ramp

primary

#340B0A

secondary

#287071

accent

#E6EB3D

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #340B0A

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

Preview Lab → · Contrast checker → · Palette generator →