#2B0B03#2B0B03

#2B0B03 is a very dark, muted red. Relative luminance 0.008; OKLCH L 20.3% C 0.056 H 37.9°. Best body text is #FFFFFF at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#2B0B03
RGB	rgb(43, 11, 3)
HSL	hsl(12, 87%, 9%)
HSV	hsv(12, 93%, 17%)
CMYK	cmyk(0%, 74.4%, 93%, 83.1%)
CIE-LAB	lab(6.86, 15.66, 9.36)
CIE-LCH	lch(6.86, 18.24, 30.86°)
OKLab	oklab(20.26% 0.0444 0.0346)
OKLCH	oklch(20.26% 0.056 37.9)
XYZ	xyz(1.1325, 0.7597, 0.1731)
Luminance	0.0076 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0B03 #03232B

analogous

#2B030F #2B0B03 #2B1F03

triadic

#2B0B03 #032B0B #0B032B

tetradic

#2B0B03 #0F2B03 #03232B #1F032B

square

#2B0B03 #0F2B03 #03232B #1F032B

split-complementary

#2B0B03 #032B1F #030F2B

monochromatic

#1D0702 #1D0702 #2B0B03 #641A07 #9D280B

Accessibility & contrast

On white

18.23

#2B0B03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#2B0B03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0B03

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0B03	#FFFFFF	#000000	##FFFFFF
##2B0B03	1.00	18.23	1.15	18.23
#FFFFFF	18.23	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141102

Deuteranopia (green-blind)

#1C1802

Tritanopia (blue-blind)

#300409

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #2b0b03;
/* rgb */ color: rgb(43, 11, 3);
/* oklch */ color: oklch(20.3% 0.056 37.9);

Tailwind

colors: {
  custom: {
    50: '#674b48',
    500: '#2b0b03',
    950: '#000000',
  },
}

SCSS

$custom: #2b0b03;
$custom-light: #674b48;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0b03",
  "rgb": {
    "r": 43,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 12,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.2026,
    "c": 0.05629,
    "h": 37.9
  },
  "luminance": 0.0076
}

Semantic roles & 50–950 ramp

primary

#2B0B03

secondary

#1B5E6F

accent

#D3FD2B

background

#F6F4F4

surface

#EBE7E6

border

#C6C3C2

text

#060100

muted

#7A7777

Preview Lab

Preview with #2B0B03

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

Preview Lab → · Contrast checker → · Palette generator →