#2B0501#2B0501

#2B0501 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.2% C 0.065 H 33.5°. Best body text is #FFFFFF at 18.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B0501
RGB	rgb(43, 5, 1)
HSL	hsl(6, 95%, 9%)
HSV	hsv(6, 98%, 17%)
CMYK	cmyk(0%, 88.4%, 97.7%, 83.1%)
CIE-LAB	lab(5.64, 18.29, 8.39)
CIE-LCH	lch(5.64, 20.12, 24.63°)
OKLab	oklab(19.16% 0.0544 0.0361)
OKLCH	oklch(19.16% 0.065 33.5)
XYZ	xyz(1.0561, 0.6245, 0.0936)
Luminance	0.0062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0501 #01272B

analogous

#2B0112 #2B0501 #2B1A01

triadic

#2B0501 #012B05 #05012B

tetradic

#2B0501 #122B01 #01272B #1A012B

square

#2B0501 #122B01 #01272B #1A012B

split-complementary

#2B0501 #012B1A #01122B

monochromatic

#1E0301 #1E0301 #2B0501 #670C02 #A31304

Accessibility & contrast

On white

18.67

#2B0501 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2B0501 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0501

18.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0501	#FFFFFF	#000000	##FFFFFF
##2B0501	1.00	18.67	1.12	18.67
#FFFFFF	18.67	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D01

Deuteranopia (green-blind)

#1A1600

Tritanopia (blue-blind)

#310004

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2b0501;
/* rgb */ color: rgb(43, 5, 1);
/* oklch */ color: oklch(19.2% 0.065 33.5);

Tailwind

colors: {
  custom: {
    50: '#674847',
    500: '#2b0501',
    950: '#000000',
  },
}

SCSS

$custom: #2b0501;
$custom-light: #674847;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0501",
  "rgb": {
    "r": 43,
    "g": 5,
    "b": 1
  },
  "hsl": {
    "h": 5.714,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.19161,
    "c": 0.06529,
    "h": 33.5
  },
  "luminance": 0.00624
}

Semantic roles & 50–950 ramp

primary

#2B0501

secondary

#176971

accent

#EBFF29

background

#F6F4F3

surface

#EBE6E5

border

#C6C2C1

text

#060000

muted

#7A7777

Preview Lab

Preview with #2B0501

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

Preview Lab → · Contrast checker → · Palette generator →