#2B0306#2B0306

#2B0306 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.9% C 0.067 H 21.1°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#2B0306
RGB	rgb(43, 3, 6)
HSL	hsl(356, 87%, 9%)
HSV	hsv(356, 93%, 17%)
CMYK	cmyk(0%, 93%, 86%, 83.1%)
CIE-LAB	lab(5.35, 19.76, 5.92)
CIE-LCH	lch(5.35, 20.63, 16.68°)
OKLab	oklab(18.92% 0.0627 0.0242)
OKLCH	oklch(18.92% 0.067 21.1)
XYZ	xyz(1.0618, 0.5920, 0.2306)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0306 #032B28

analogous

#2B031A #2B0306 #2B1403

triadic

#2B0306 #062B03 #03062B

tetradic

#2B0306 #1A2B03 #032B28 #14032B

square

#2B0306 #1A2B03 #032B28 #14032B

split-complementary

#2B0306 #032B14 #031A2B

monochromatic

#1D0204 #1D0204 #2B0306 #64070E #9D0B16

Accessibility & contrast

On white

18.78

#2B0306 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B0306 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0306

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0306	#FFFFFF	#000000	##FFFFFF
##2B0306	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C06

Deuteranopia (green-blind)

#181505

Tritanopia (blue-blind)

#300004

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2b0306;
/* rgb */ color: rgb(43, 3, 6);
/* oklch */ color: oklch(18.9% 0.067 21.1);

Tailwind

colors: {
  custom: {
    50: '#674749',
    500: '#2b0306',
    950: '#000000',
  },
}

SCSS

$custom: #2b0306;
$custom-light: #674749;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0306",
  "rgb": {
    "r": 43,
    "g": 3,
    "b": 6
  },
  "hsl": {
    "h": 355.5,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18921,
    "c": 0.06716,
    "h": 21.1
  },
  "luminance": 0.00592
}

Semantic roles & 50–950 ramp

primary

#2B0306

secondary

#1B6F69

accent

#FDED2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0306

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

Preview Lab → · Contrast checker → · Palette generator →