#2B0105#2B0105

#2B0105 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.5% C 0.071 H 20.4°. Best body text is #FFFFFF at 18.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B0105
RGB	rgb(43, 1, 5)
HSL	hsl(354, 95%, 9%)
HSV	hsv(354, 98%, 17%)
CMYK	cmyk(0%, 97.7%, 88.4%, 83.1%)
CIE-LAB	lab(4.94, 20.57, 5.73)
CIE-LCH	lch(4.94, 21.35, 15.56°)
OKLab	oklab(18.5% 0.0668 0.0248)
OKLCH	oklch(18.5% 0.071 20.4)
XYZ	xyz(1.0346, 0.5464, 0.1945)
Luminance	0.0055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B0105 #012B27

analogous

#2B011A #2B0105 #2B1201

triadic

#2B0105 #052B01 #01052B

tetradic

#2B0105 #1A2B01 #012B27 #12012B

square

#2B0105 #1A2B01 #012B27 #12012B

split-complementary

#2B0105 #012B12 #011A2B

monochromatic

#1E0103 #1E0103 #2B0105 #67020C #A30413

Accessibility & contrast

On white

18.93

#2B0105 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2B0105 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B0105

18.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B0105	#FFFFFF	#000000	##FFFFFF
##2B0105	1.00	18.93	1.11	18.93
#FFFFFF	18.93	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0A05

Deuteranopia (green-blind)

#171404

Tritanopia (blue-blind)

#300003

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2b0105;
/* rgb */ color: rgb(43, 1, 5);
/* oklch */ color: oklch(18.5% 0.071 20.4);

Tailwind

colors: {
  custom: {
    50: '#674649',
    500: '#2b0105',
    950: '#000000',
  },
}

SCSS

$custom: #2b0105;
$custom-light: #674649;
$custom-dark: #000000;

JSON

{
  "hex": "#2b0105",
  "rgb": {
    "r": 43,
    "g": 1,
    "b": 5
  },
  "hsl": {
    "h": 354.286,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18503,
    "c": 0.07126,
    "h": 20.4
  },
  "luminance": 0.00546
}

Semantic roles & 50–950 ramp

primary

#2B0105

secondary

#177169

accent

#FFEB29

background

#F6F3F4

surface

#EBE5E6

border

#C6C1C2

text

#060000

muted

#7A7677

Preview Lab

Preview with #2B0105

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

Preview Lab → · Contrast checker → · Palette generator →