#2B0307#2B0307

#2B0307 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.9% C 0.067 H 19.4°. Best body text is #FFFFFF at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B0307
RGB	rgb(43, 3, 7)
HSL	hsl(354, 87%, 9%)
HSV	hsv(354, 93%, 17%)
CMYK	cmyk(0%, 93%, 83.7%, 83.1%)
CIE-LAB	lab(5.37, 19.87, 5.54)
CIE-LCH	lch(5.37, 20.62, 15.59°)
OKLab	oklab(18.95% 0.0633 0.0223)
OKLCH	oklch(18.95% 0.067 19.4)
XYZ	xyz(1.0673, 0.5942, 0.2595)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0307 #032B27

analogous

#2B031B #2B0307 #2B1303

triadic

#2B0307 #072B03 #03072B

tetradic

#2B0307 #1B2B03 #032B27 #13032B

square

#2B0307 #1B2B03 #032B27 #13032B

split-complementary

#2B0307 #032B13 #031B2B

monochromatic

#1D0205 #1D0205 #2B0307 #640710 #9D0B1A

Accessibility & contrast

On white

18.77

#2B0307 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B0307 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0307

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0307	#FFFFFF	#000000	##FFFFFF
##2B0307	1.00	18.77	1.12	18.77
#FFFFFF	18.77	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0C07

Deuteranopia (green-blind)

#181506

Tritanopia (blue-blind)

#300005

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2b0307;
/* rgb */ color: rgb(43, 3, 7);
/* oklch */ color: oklch(18.9% 0.067 19.4);

Tailwind

colors: {
  custom: {
    50: '#67474a',
    500: '#2b0307',
    950: '#000000',
  },
}

SCSS

$custom: #2b0307;
$custom-light: #67474a;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0307",
  "rgb": {
    "r": 43,
    "g": 3,
    "b": 7
  },
  "hsl": {
    "h": 354,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18948,
    "c": 0.06708,
    "h": 19.4
  },
  "luminance": 0.00594
}

Semantic roles & 50–950 ramp

primary

#2B0307

secondary

#1B6F66

accent

#FDE82B

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2B0307

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

Preview Lab → · Contrast checker → · Palette generator →