#2B0503#2B0503

#2B0503 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.2% C 0.064 H 29.4°. Best body text is #FFFFFF at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#2B0503
RGB	rgb(43, 5, 3)
HSL	hsl(3, 87%, 9%)
HSV	hsv(3, 93%, 17%)
CMYK	cmyk(0%, 88.4%, 93%, 83.1%)
CIE-LAB	lab(5.68, 18.51, 7.63)
CIE-LCH	lch(5.68, 20.02, 22.41°)
OKLab	oklab(19.21% 0.0561 0.0316)
OKLCH	oklch(19.21% 0.064 29.4)
XYZ	xyz(1.0671, 0.6289, 0.1513)
Luminance	0.0063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0503 #03292B

analogous

#2B0315 #2B0503 #2B1903

triadic

#2B0503 #032B05 #05032B

tetradic

#2B0503 #152B03 #03292B #19032B

square

#2B0503 #152B03 #03292B #19032B

split-complementary

#2B0503 #032B19 #03152B

monochromatic

#1D0302 #1D0302 #2B0503 #640C07 #9D120B

Accessibility & contrast

On white

18.65

#2B0503 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#2B0503 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0503

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0503	#FFFFFF	#000000	##FFFFFF
##2B0503	1.00	18.65	1.13	18.65
#FFFFFF	18.65	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D03

Deuteranopia (green-blind)

#191602

Tritanopia (blue-blind)

#300005

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #2b0503;
/* rgb */ color: rgb(43, 5, 3);
/* oklch */ color: oklch(19.2% 0.064 29.4);

Tailwind

colors: {
  custom: {
    50: '#674848',
    500: '#2b0503',
    950: '#000000',
  },
}

SCSS

$custom: #2b0503;
$custom-light: #674848;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0503",
  "rgb": {
    "r": 43,
    "g": 5,
    "b": 3
  },
  "hsl": {
    "h": 3,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19214,
    "c": 0.06435,
    "h": 29.4
  },
  "luminance": 0.00629
}

Semantic roles & 50–950 ramp

primary

#2B0503

secondary

#1B6B6F

accent

#F3FD2B

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0503

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

Preview Lab → · Contrast checker → · Palette generator →