#2B0901#2B0901

#2B0901 is a very dark, muted red. Relative luminance 0.007; OKLCH L 19.9% C 0.060 H 39.1°. Best body text is #FFFFFF at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#2B0901
RGB	rgb(43, 9, 1)
HSL	hsl(11, 95%, 9%)
HSV	hsv(11, 98%, 17%)
CMYK	cmyk(0%, 79.1%, 97.7%, 83.1%)
CIE-LAB	lab(6.43, 16.42, 9.53)
CIE-LCH	lch(6.43, 18.99, 30.13°)
OKLab	oklab(19.87% 0.0465 0.0378)
OKLCH	oklch(19.87% 0.06 39.1)
XYZ	xyz(1.0996, 0.7113, 0.1081)
Luminance	0.0071 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0901 #01232B

analogous

#2B010E #2B0901 #2B1E01

triadic

#2B0901 #012B09 #09012B

tetradic

#2B0901 #0E2B01 #01232B #1E012B

square

#2B0901 #0E2B01 #01232B #1E012B

split-complementary

#2B0901 #012B1E #010E2B

monochromatic

#1E0601 #1E0601 #2B0901 #671602 #A32204

Accessibility & contrast

On white

18.39

#2B0901 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#2B0901 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0901

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0901	#FFFFFF	#000000	##FFFFFF
##2B0901	1.00	18.39	1.14	18.39
#FFFFFF	18.39	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#130F00

Deuteranopia (green-blind)

#1B1700

Tritanopia (blue-blind)

#300207

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #2b0901;
/* rgb */ color: rgb(43, 9, 1);
/* oklch */ color: oklch(19.9% 0.060 39.1);

Tailwind

colors: {
  custom: {
    50: '#674a47',
    500: '#2b0901',
    950: '#000000',
  },
}

SCSS

$custom: #2b0901;
$custom-light: #674a47;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0901",
  "rgb": {
    "r": 43,
    "g": 9,
    "b": 1
  },
  "hsl": {
    "h": 11.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.19872,
    "c": 0.05995,
    "h": 39.1
  },
  "luminance": 0.00711
}

Semantic roles & 50–950 ramp

primary

#2B0901

secondary

#176071

accent

#D6FF29

background

#F6F4F3

surface

#EBE7E5

border

#C6C3C1

text

#060100

muted

#7A7777

Preview Lab

Preview with #2B0901

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

Preview Lab → · Contrast checker → · Palette generator →