#340B0B#340B0B

#340B0B is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.3% C 0.066 H 24.2°. Best body text is #FFFFFF at 17.52:1 contrast (WCAG AA passes).

Color values

HEX	#340B0B
RGB	rgb(52, 11, 11)
HSL	hsl(0, 65%, 12%)
HSV	hsv(0, 79%, 20%)
CMYK	cmyk(0%, 78.8%, 78.8%, 79.6%)
CIE-LAB	lab(8.94, 20.55, 9.34)
CIE-LCH	lch(8.94, 22.57, 24.45°)
OKLab	oklab(22.29% 0.0602 0.0271)
OKLCH	oklch(22.29% 0.066 24.2)
XYZ	xyz(1.5964, 0.9938, 0.4243)
Luminance	0.0099 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B0B #0B3434

analogous

#340B20 #340B0B #34200B

triadic

#340B0B #0B340B #0B0B34

tetradic

#340B0B #20340B #0B3434 #200B34

square

#340B0B #20340B #0B3434 #200B34

split-complementary

#340B0B #0B3420 #0B2034

monochromatic

#190505 #190505 #340B0B #671616 #992020

Accessibility & contrast

On white

17.52

#340B0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#340B0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B0B

17.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B0B	#FFFFFF	#000000	##FFFFFF
##340B0B	1.00	17.52	1.20	17.52
#FFFFFF	17.52	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140B

Deuteranopia (green-blind)

#201D0A

Tritanopia (blue-blind)

#3A030B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #340b0b;
/* rgb */ color: rgb(52, 11, 11);
/* oklch */ color: oklch(22.3% 0.066 24.2);

Tailwind

colors: {
  custom: {
    50: '#6f4d4b',
    500: '#340b0b',
    950: '#000000',
  },
}

SCSS

$custom: #340b0b;
$custom-light: #6f4d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#340b0b",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 11
  },
  "hsl": {
    "h": 0,
    "s": 65.079,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22291,
    "c": 0.06604,
    "h": 24.2
  },
  "luminance": 0.00994
}

Semantic roles & 50–950 ramp

primary

#340B0B

secondary

#2A7171

accent

#E8E840

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080101

muted

#7B7777

Preview Lab

Preview with #340B0B

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

Preview Lab → · Contrast checker → · Palette generator →