#2B0203#2B0203

#2B0203 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.6% C 0.070 H 25.4°. Best body text is #FFFFFF at 18.87:1 contrast (WCAG AA passes).

Color values

HEX	#2B0203
RGB	rgb(43, 2, 3)
HSL	hsl(359, 91%, 9%)
HSV	hsv(359, 95%, 17%)
CMYK	cmyk(0%, 95.3%, 93%, 83.1%)
CIE-LAB	lab(5.09, 19.89, 6.77)
CIE-LCH	lch(5.09, 21.01, 18.80°)
OKLab	oklab(18.64% 0.0628 0.0299)
OKLCH	oklch(18.64% 0.07 25.4)
XYZ	xyz(1.0345, 0.5638, 0.1405)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0203 #022B2A

analogous

#2B0218 #2B0203 #2B1602

triadic

#2B0203 #032B02 #02032B

tetradic

#2B0203 #182B02 #022B2A #16022B

square

#2B0203 #182B02 #022B2A #16022B

split-complementary

#2B0203 #022B16 #02182B

monochromatic

#1D0102 #1D0102 #2B0203 #650507 #A0070B

Accessibility & contrast

On white

18.87

#2B0203 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2B0203 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0203

18.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0203	#FFFFFF	#000000	##FFFFFF
##2B0203	1.00	18.87	1.11	18.87
#FFFFFF	18.87	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0B03

Deuteranopia (green-blind)

#181402

Tritanopia (blue-blind)

#300003

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2b0203;
/* rgb */ color: rgb(43, 2, 3);
/* oklch */ color: oklch(18.6% 0.070 25.4);

Tailwind

colors: {
  custom: {
    50: '#674748',
    500: '#2b0203',
    950: '#000000',
  },
}

SCSS

$custom: #2b0203;
$custom-light: #674748;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0203",
  "rgb": {
    "r": 43,
    "g": 2,
    "b": 3
  },
  "hsl": {
    "h": 358.537,
    "s": 91.111,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18644,
    "c": 0.06958,
    "h": 25.4
  },
  "luminance": 0.00564
}

Semantic roles & 50–950 ramp

primary

#2B0203

secondary

#19706E

accent

#FFFA29

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0203

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

Preview Lab → · Contrast checker → · Palette generator →