#2B0109#2B0109

#2B0109 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.6% C 0.071 H 13.8°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B0109
RGB	rgb(43, 1, 9)
HSL	hsl(349, 95%, 9%)
HSV	hsv(349, 98%, 17%)
CMYK	cmyk(0%, 97.7%, 79.1%, 83.1%)
CIE-LAB	lab(5.02, 21.00, 4.21)
CIE-LCH	lch(5.02, 21.42, 11.34°)
OKLab	oklab(18.62% 0.0692 0.0171)
OKLCH	oklch(18.62% 0.071 13.8)
XYZ	xyz(1.0565, 0.5552, 0.3099)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0109 #012B23

analogous

#2B011E #2B0109 #2B0E01

triadic

#2B0109 #092B01 #01092B

tetradic

#2B0109 #1E2B01 #012B23 #0E012B

square

#2B0109 #1E2B01 #012B23 #0E012B

split-complementary

#2B0109 #012B0E #011E2B

monochromatic

#1E0106 #1E0106 #2B0109 #670216 #A30422

Accessibility & contrast

On white

18.90

#2B0109 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2B0109 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0109

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0109	#FFFFFF	#000000	##FFFFFF
##2B0109	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0B09

Deuteranopia (green-blind)

#171408

Tritanopia (blue-blind)

#300004

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2b0109;
/* rgb */ color: rgb(43, 1, 9);
/* oklch */ color: oklch(18.6% 0.071 13.8);

Tailwind

colors: {
  custom: {
    50: '#67464b',
    500: '#2b0109',
    950: '#000000',
  },
}

SCSS

$custom: #2b0109;
$custom-light: #67464b;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0109",
  "rgb": {
    "r": 43,
    "g": 1,
    "b": 9
  },
  "hsl": {
    "h": 348.571,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18618,
    "c": 0.07131,
    "h": 13.8
  },
  "luminance": 0.00555
}

Semantic roles & 50–950 ramp

primary

#2B0109

secondary

#177160

accent

#FFD629

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2B0109

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

Preview Lab → · Contrast checker → · Palette generator →