#2B0004#2B0004

#2B0004 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.3% C 0.073 H 21.0°. Best body text is #FFFFFF at 19.01:1 contrast (WCAG AA passes).

Color values

HEX	#2B0004
RGB	rgb(43, 0, 4)
HSL	hsl(354, 100%, 8%)
HSV	hsv(354, 100%, 17%)
CMYK	cmyk(0%, 100%, 90.7%, 83.1%)
CIE-LAB	lab(4.72, 20.92, 5.82)
CIE-LCH	lch(4.72, 21.71, 15.55°)
OKLab	oklab(18.27% 0.0686 0.0263)
OKLCH	oklch(18.27% 0.073 21)
XYZ	xyz(1.0183, 0.5225, 0.1621)
Luminance	0.0052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0004 #002B27

analogous

#2B0019 #2B0004 #2B1100

triadic

#2B0004 #042B00 #00042B

tetradic

#2B0004 #192B00 #002B27 #11002B

square

#2B0004 #192B00 #002B27 #11002B

split-complementary

#2B0004 #002B11 #00192B

monochromatic

#1F0003 #1F0003 #2B0004 #68000A #A5000F

Accessibility & contrast

On white

19.01

#2B0004 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#2B0004 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0004

19.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0004	#FFFFFF	#000000	##FFFFFF
##2B0004	1.00	19.01	1.10	19.01
#FFFFFF	19.01	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0A04

Deuteranopia (green-blind)

#171403

Tritanopia (blue-blind)

#300002

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #2b0004;
/* rgb */ color: rgb(43, 0, 4);
/* oklch */ color: oklch(18.3% 0.073 21.0);

Tailwind

colors: {
  custom: {
    50: '#674648',
    500: '#2b0004',
    950: '#000000',
  },
}

SCSS

$custom: #2b0004;
$custom-light: #674648;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0004",
  "rgb": {
    "r": 43,
    "g": 0,
    "b": 4
  },
  "hsl": {
    "h": 354.419,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18272,
    "c": 0.07349,
    "h": 21
  },
  "luminance": 0.00522
}

Semantic roles & 50–950 ramp

primary

#2B0004

secondary

#14736A

accent

#FFEB29

background

#F6F3F4

surface

#EBE5E6

border

#C6C1C2

text

#060000

muted

#7A7677

Preview Lab

Preview with #2B0004

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

Preview Lab → · Contrast checker → · Palette generator →