#2B0201#2B0201

#2B0201 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.6% C 0.070 H 29.6°. Best body text is #FFFFFF at 18.89:1 contrast (WCAG AA passes).

Color values

HEX	#2B0201
RGB	rgb(43, 2, 1)
HSL	hsl(1, 95%, 9%)
HSV	hsv(1, 98%, 17%)
CMYK	cmyk(0%, 95.3%, 97.7%, 83.1%)
CIE-LAB	lab(5.05, 19.67, 7.53)
CIE-LCH	lch(5.05, 21.06, 20.94°)
OKLab	oklab(18.59% 0.0611 0.0347)
OKLCH	oklch(18.59% 0.07 29.6)
XYZ	xyz(1.0236, 0.5594, 0.0828)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0201 #012A2B

analogous

#2B0115 #2B0201 #2B1701

triadic

#2B0201 #012B02 #02012B

tetradic

#2B0201 #152B01 #012A2B #17012B

square

#2B0201 #152B01 #012A2B #17012B

split-complementary

#2B0201 #012B17 #01152B

monochromatic

#1E0101 #1E0101 #2B0201 #670502 #A30804

Accessibility & contrast

On white

18.89

#2B0201 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2B0201 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0201

18.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0201	#FFFFFF	#000000	##FFFFFF
##2B0201	1.00	18.89	1.11	18.89
#FFFFFF	18.89	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B01

Deuteranopia (green-blind)

#181400

Tritanopia (blue-blind)

#310002

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2b0201;
/* rgb */ color: rgb(43, 2, 1);
/* oklch */ color: oklch(18.6% 0.070 29.6);

Tailwind

colors: {
  custom: {
    50: '#674747',
    500: '#2b0201',
    950: '#000000',
  },
}

SCSS

$custom: #2b0201;
$custom-light: #674747;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0201",
  "rgb": {
    "r": 43,
    "g": 2,
    "b": 1
  },
  "hsl": {
    "h": 1.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18587,
    "c": 0.07025,
    "h": 29.6
  },
  "luminance": 0.00559
}

Semantic roles & 50–950 ramp

primary

#2B0201

secondary

#176F71

accent

#FAFF29

background

#F6F4F3

surface

#EBE6E5

border

#C6C2C1

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0201

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

Preview Lab → · Contrast checker → · Palette generator →