#2B0301#2B0301

#2B0301 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.8% C 0.069 H 30.9°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#2B0301
RGB	rgb(43, 3, 1)
HSL	hsl(3, 95%, 9%)
HSV	hsv(3, 98%, 17%)
CMYK	cmyk(0%, 93%, 97.7%, 83.1%)
CIE-LAB	lab(5.25, 19.21, 7.81)
CIE-LCH	lch(5.25, 20.74, 22.13°)
OKLab	oklab(18.78% 0.0588 0.0352)
OKLCH	oklch(18.78% 0.069 30.9)
XYZ	xyz(1.0344, 0.5811, 0.0864)
Luminance	0.0058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0301 #01292B

analogous

#2B0114 #2B0301 #2B1801

triadic

#2B0301 #012B03 #03012B

tetradic

#2B0301 #142B01 #01292B #18012B

square

#2B0301 #142B01 #01292B #18012B

split-complementary

#2B0301 #012B18 #01142B

monochromatic

#1E0201 #1E0201 #2B0301 #670702 #A30B04

Accessibility & contrast

On white

18.81

#2B0301 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B0301 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0301

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0301	#FFFFFF	#000000	##FFFFFF
##2B0301	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C01

Deuteranopia (green-blind)

#191500

Tritanopia (blue-blind)

#310003

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2b0301;
/* rgb */ color: rgb(43, 3, 1);
/* oklch */ color: oklch(18.8% 0.069 30.9);

Tailwind

colors: {
  custom: {
    50: '#674747',
    500: '#2b0301',
    950: '#000000',
  },
}

SCSS

$custom: #2b0301;
$custom-light: #674747;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0301",
  "rgb": {
    "r": 43,
    "g": 3,
    "b": 1
  },
  "hsl": {
    "h": 2.857,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18783,
    "c": 0.0685,
    "h": 30.9
  },
  "luminance": 0.00581
}

Semantic roles & 50–950 ramp

primary

#2B0301

secondary

#176D71

accent

#F5FF29

background

#F6F4F3

surface

#EBE6E5

border

#C6C2C1

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0301

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

Preview Lab → · Contrast checker → · Palette generator →