#2B040A#2B040A

#2B040A is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.2% C 0.065 H 15.8°. Best body text is #FFFFFF at 18.68:1 contrast (WCAG AA passes).

Color values

HEX	#2B040A
RGB	rgb(43, 4, 10)
HSL	hsl(351, 83%, 9%)
HSV	hsv(351, 91%, 17%)
CMYK	cmyk(0%, 90.7%, 76.7%, 83.1%)
CIE-LAB	lab(5.62, 19.71, 4.69)
CIE-LCH	lch(5.62, 20.26, 13.40°)
OKLab	oklab(19.22% 0.0627 0.0177)
OKLCH	oklch(19.22% 0.065 15.8)
XYZ	xyz(1.0946, 0.6225, 0.3496)
Luminance	0.0062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B040A #042B25

analogous

#2B041E #2B040A #2B1204

triadic

#2B040A #0A2B04 #040A2B

tetradic

#2B040A #1E2B04 #042B25 #12042B

square

#2B040A #1E2B04 #042B25 #12042B

split-complementary

#2B040A #042B12 #041E2B

monochromatic

#1C0307 #1C0307 #2B040A #630917 #9B0E24

Accessibility & contrast

On white

18.68

#2B040A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B040A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B040A

18.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B040A	#FFFFFF	#000000	##FFFFFF
##2B040A	1.00	18.68	1.12	18.68
#FFFFFF	18.68	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0D0A

Deuteranopia (green-blind)

#181509

Tritanopia (blue-blind)

#300006

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2b040a;
/* rgb */ color: rgb(43, 4, 10);
/* oklch */ color: oklch(19.2% 0.065 15.8);

Tailwind

colors: {
  custom: {
    50: '#67484b',
    500: '#2b040a',
    950: '#000000',
  },
}

SCSS

$custom: #2b040a;
$custom-light: #67484b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b040a",
  "rgb": {
    "r": 43,
    "g": 4,
    "b": 10
  },
  "hsl": {
    "h": 350.769,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.19216,
    "c": 0.06511,
    "h": 15.8
  },
  "luminance": 0.00622
}

Semantic roles & 50–950 ramp

primary

#2B040A

secondary

#1D6E61

accent

#F9DA2E

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2B040A

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

Preview Lab → · Contrast checker → · Palette generator →