#340F0A#340F0A

#340F0A is a very dark, moderate red. Relative luminance 0.011; OKLCH L 22.9% C 0.061 H 30.2°. Best body text is #FFFFFF at 17.23:1 contrast (WCAG AA passes).

Color values

HEX	#340F0A
RGB	rgb(52, 15, 10)
HSL	hsl(7, 68%, 12%)
HSV	hsv(7, 81%, 20%)
CMYK	cmyk(0%, 71.2%, 80.8%, 79.6%)
CIE-LAB	lab(9.75, 18.26, 10.92)
CIE-LCH	lch(9.75, 21.28, 30.88°)
OKLab	oklab(22.89% 0.0528 0.0307)
OKLCH	oklch(22.89% 0.061 30.2)
XYZ	xyz(1.6419, 1.0938, 0.4118)
Luminance	0.0109 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340F0A #0A2F34

analogous

#340A1A #340F0A #34240A

triadic

#340F0A #0A340F #0F0A34

tetradic

#340F0A #1A340A #0A2F34 #240A34

square

#340F0A #1A340A #0A2F34 #240A34

split-complementary

#340F0A #0A3424 #0A1A34

monochromatic

#1A0705 #1A0705 #340F0A #671E14 #9B2D1E

Accessibility & contrast

On white

17.23

#340F0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#340F0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340F0A

17.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340F0A	#FFFFFF	#000000	##FFFFFF
##340F0A	1.00	17.23	1.22	17.23
#FFFFFF	17.23	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191609

Deuteranopia (green-blind)

#221E09

Tritanopia (blue-blind)

#3A070E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #340f0a;
/* rgb */ color: rgb(52, 15, 10);
/* oklch */ color: oklch(22.9% 0.061 30.2);

Tailwind

colors: {
  custom: {
    50: '#6f4f4b',
    500: '#340f0a',
    950: '#000000',
  },
}

SCSS

$custom: #340f0a;
$custom-light: #6f4f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#340f0a",
  "rgb": {
    "r": 52,
    "g": 15,
    "b": 10
  },
  "hsl": {
    "h": 7.143,
    "s": 67.742,
    "l": 12.157
  },
  "oklch": {
    "l": 0.22894,
    "c": 0.06107,
    "h": 30.2
  },
  "luminance": 0.01094
}

Semantic roles & 50–950 ramp

primary

#340F0A

secondary

#286971

accent

#D6EB3D

background

#F6F4F4

surface

#ECE7E7

border

#C7C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #340F0A

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

Preview Lab → · Contrast checker → · Palette generator →