#2B030A#2B030A

#2B030A is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.0% C 0.067 H 14.6°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#2B030A
RGB	rgb(43, 3, 10)
HSL	hsl(350, 87%, 9%)
HSV	hsv(350, 93%, 17%)
CMYK	cmyk(0%, 93%, 76.7%, 83.1%)
CIE-LAB	lab(5.43, 20.18, 4.41)
CIE-LCH	lch(5.43, 20.65, 12.32°)
OKLab	oklab(19.03% 0.0649 0.0169)
OKLCH	oklch(19.03% 0.067 14.6)
XYZ	xyz(1.0837, 0.6008, 0.3460)
Luminance	0.0060 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B030A #032B24

analogous

#2B031E #2B030A #2B1003

triadic

#2B030A #0A2B03 #030A2B

tetradic

#2B030A #1E2B03 #032B24 #10032B

square

#2B030A #1E2B03 #032B24 #10032B

split-complementary

#2B030A #032B10 #031E2B

monochromatic

#1D0207 #1D0207 #2B030A #640717 #9D0B25

Accessibility & contrast

On white

18.75

#2B030A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B030A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B030A

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B030A	#FFFFFF	#000000	##FFFFFF
##2B030A	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0C0A

Deuteranopia (green-blind)

#181509

Tritanopia (blue-blind)

#300005

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2b030a;
/* rgb */ color: rgb(43, 3, 10);
/* oklch */ color: oklch(19.0% 0.067 14.6);

Tailwind

colors: {
  custom: {
    50: '#67474b',
    500: '#2b030a',
    950: '#000000',
  },
}

SCSS

$custom: #2b030a;
$custom-light: #67474b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b030a",
  "rgb": {
    "r": 43,
    "g": 3,
    "b": 10
  },
  "hsl": {
    "h": 349.5,
    "s": 86.957,
    "l": 9.02
  },
  "oklch": {
    "l": 0.1903,
    "c": 0.06711,
    "h": 14.6
  },
  "luminance": 0.00601
}

Semantic roles & 50–950 ramp

primary

#2B030A

secondary

#1B6F60

accent

#FDD82B

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2B030A

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

Preview Lab → · Contrast checker → · Palette generator →