#2B000A#2B000A

#2B000A is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.4% C 0.074 H 11.3°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B000A
RGB	rgb(43, 0, 10)
HSL	hsl(346, 100%, 8%)
HSV	hsv(346, 100%, 17%)
CMYK	cmyk(0%, 100%, 76.7%, 83.1%)
CIE-LAB	lab(4.84, 21.58, 3.55)
CIE-LCH	lch(4.84, 21.87, 9.34°)
OKLab	oklab(18.45% 0.0723 0.0145)
OKLCH	oklch(18.45% 0.074 11.3)
XYZ	xyz(1.0512, 0.5357, 0.3351)
Luminance	0.0054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B000A #002B21

analogous

#2B001F #2B000A #2B0B00

triadic

#2B000A #0A2B00 #000A2B

tetradic

#2B000A #1F2B00 #002B21 #0B002B

square

#2B000A #1F2B00 #002B21 #0B002B

split-complementary

#2B000A #002B0B #001F2B

monochromatic

#1F0007 #1F0007 #2B000A #680018 #A50026

Accessibility & contrast

On white

18.97

#2B000A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2B000A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B000A

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B000A	#FFFFFF	#000000	##FFFFFF
##2B000A	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A0A0A

Deuteranopia (green-blind)

#161409

Tritanopia (blue-blind)

#300003

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #2b000a;
/* rgb */ color: rgb(43, 0, 10);
/* oklch */ color: oklch(18.4% 0.074 11.3);

Tailwind

colors: {
  custom: {
    50: '#67464b',
    500: '#2b000a',
    950: '#000000',
  },
}

SCSS

$custom: #2b000a;
$custom-light: #67464b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b000a",
  "rgb": {
    "r": 43,
    "g": 0,
    "b": 10
  },
  "hsl": {
    "h": 346.047,
    "s": 100,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18448,
    "c": 0.07374,
    "h": 11.3
  },
  "luminance": 0.00536
}

Semantic roles & 50–950 ramp

primary

#2B000A

secondary

#14735D

accent

#FFCD29

background

#F6F3F4

surface

#EBE5E7

border

#C6C1C3

text

#060001

muted

#7A7677

Preview Lab

Preview with #2B000A

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

Preview Lab → · Contrast checker → · Palette generator →