#340B03#340B03

#340B03 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.1% C 0.068 H 35.0°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#340B03
RGB	rgb(52, 11, 3)
HSL	hsl(10, 89%, 11%)
HSV	hsv(10, 94%, 20%)
CMYK	cmyk(0%, 78.8%, 94.2%, 79.6%)
CIE-LAB	lab(8.79, 20.00, 12.40)
CIE-LCH	lch(8.79, 23.53, 31.80°)
OKLab	oklab(22.13% 0.056 0.0392)
OKLCH	oklch(22.13% 0.068 35)
XYZ	xyz(1.5525, 0.9762, 0.1928)
Luminance	0.0098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#340B03 #032C34

analogous

#340313 #340B03 #342303

triadic

#340B03 #03340B #0B0334

tetradic

#340B03 #133403 #032C34 #230334

square

#340B03 #133403 #032C34 #230334

split-complementary

#340B03 #033423 #031334

monochromatic

#1D0602 #1D0602 #340B03 #6E1706 #A8230A

Accessibility & contrast

On white

17.57

#340B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#340B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #340B03

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##340B03	#FFFFFF	#000000	##FFFFFF
##340B03	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171302

Deuteranopia (green-blind)

#211C02

Tritanopia (blue-blind)

#3A0209

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #340b03;
/* rgb */ color: rgb(52, 11, 3);
/* oklch */ color: oklch(22.1% 0.068 35.0);

Tailwind

colors: {
  custom: {
    50: '#6f4c48',
    500: '#340b03',
    950: '#000000',
  },
}

SCSS

$custom: #340b03;
$custom-light: #6f4c48;
$custom-dark: #000000;

JSON

{
  "hex": "#340b03",
  "rgb": {
    "r": 52,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 9.796,
    "s": 89.091,
    "l": 10.784
  },
  "oklch": {
    "l": 0.22133,
    "c": 0.06832,
    "h": 35
  },
  "luminance": 0.00976
}

Semantic roles & 50–950 ramp

primary

#340B03

secondary

#1C6877

accent

#DCFF29

background

#F7F4F4

surface

#EDE7E6

border

#C8C3C2

text

#080100

muted

#7B7777

Preview Lab

Preview with #340B03

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

Preview Lab → · Contrast checker → · Palette generator →