#2B0A0A#2B0A0A

#2B0A0A is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.3% C 0.055 H 23.4°. Best body text is #FFFFFF at 18.25:1 contrast (WCAG AA passes).

Color values

HEX	#2B0A0A
RGB	rgb(43, 10, 10)
HSL	hsl(0, 62%, 10%)
HSV	hsv(0, 77%, 17%)
CMYK	cmyk(0%, 76.7%, 76.7%, 83.1%)
CIE-LAB	lab(6.80, 16.84, 6.41)
CIE-LCH	lch(6.80, 18.02, 20.85°)
OKLab	oklab(20.26% 0.0505 0.0218)
OKLCH	oklch(20.26% 0.055 23.4)
XYZ	xyz(1.1597, 0.7527, 0.3713)
Luminance	0.0075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0A0A #0A2B2B

analogous

#2B0A1A #2B0A0A #2B1A0A

triadic

#2B0A0A #0A2B0A #0A0A2B

tetradic

#2B0A0A #1A2B0A #0A2B2B #1A0A2B

square

#2B0A0A #1A2B0A #0A2B2B #1A0A2B

split-complementary

#2B0A0A #0A2B1A #0A1A2B

monochromatic

#190606 #190606 #2B0A0A #5D1616 #8E2121

Accessibility & contrast

On white

18.25

#2B0A0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#2B0A0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0A0A

18.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0A0A	#FFFFFF	#000000	##FFFFFF
##2B0A0A	1.00	18.25	1.15	18.25
#FFFFFF	18.25	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12110A

Deuteranopia (green-blind)

#1B1809

Tritanopia (blue-blind)

#30050A

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #2b0a0a;
/* rgb */ color: rgb(43, 10, 10);
/* oklch */ color: oklch(20.3% 0.055 23.4);

Tailwind

colors: {
  custom: {
    50: '#674b4b',
    500: '#2b0a0a',
    950: '#000000',
  },
}

SCSS

$custom: #2b0a0a;
$custom-light: #674b4b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0a0a",
  "rgb": {
    "r": 43,
    "g": 10,
    "b": 10
  },
  "hsl": {
    "h": 0,
    "s": 62.264,
    "l": 10.392
  },
  "oklch": {
    "l": 0.20257,
    "c": 0.05502,
    "h": 23.4
  },
  "luminance": 0.00753
}

Semantic roles & 50–950 ramp

primary

#2B0A0A

secondary

#296868

accent

#E5E542

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #2B0A0A

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

Preview Lab → · Contrast checker → · Palette generator →