#2C100A#2C100A

#2C100A is a very dark, muted red. Relative luminance 0.009; OKLCH L 21.5% C 0.048 H 33.5°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#2C100A
RGB	rgb(44, 16, 10)
HSL	hsl(11, 63%, 11%)
HSV	hsv(11, 77%, 17%)
CMYK	cmyk(0%, 63.6%, 77.3%, 82.7%)
CIE-LAB	lab(8.38, 13.85, 8.74)
CIE-LCH	lch(8.38, 16.37, 32.25°)
OKLab	oklab(21.54% 0.0402 0.0265)
OKLCH	oklch(21.54% 0.048 33.5)
XYZ	xyz(1.2789, 0.9281, 0.3989)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C100A #0A262C

analogous

#2C0A15 #2C100A #2C210A

triadic

#2C100A #0A2C10 #100A2C

tetradic

#2C100A #152C0A #0A262C #210A2C

square

#2C100A #152C0A #0A262C #210A2C

split-complementary

#2C100A #0A2C21 #0A152C

monochromatic

#190906 #190906 #2C100A #5E2215 #903421

Accessibility & contrast

On white

17.71

#2C100A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#2C100A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C100A

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C100A	#FFFFFF	#000000	##FFFFFF
##2C100A	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171509

Deuteranopia (green-blind)

#1E1B09

Tritanopia (blue-blind)

#310B0F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #2c100a;
/* rgb */ color: rgb(44, 16, 10);
/* oklch */ color: oklch(21.5% 0.048 33.5);

Tailwind

colors: {
  custom: {
    50: '#674f4b',
    500: '#2c100a',
    950: '#000000',
  },
}

SCSS

$custom: #2c100a;
$custom-light: #674f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#2c100a",
  "rgb": {
    "r": 44,
    "g": 16,
    "b": 10
  },
  "hsl": {
    "h": 10.588,
    "s": 62.963,
    "l": 10.588
  },
  "oklch": {
    "l": 0.2154,
    "c": 0.04812,
    "h": 33.5
  },
  "luminance": 0.00928
}

Semantic roles & 50–950 ramp

primary

#2C100A

secondary

#295E69

accent

#C9E642

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060201

muted

#7A7877

Preview Lab

Preview with #2C100A

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

Preview Lab → · Contrast checker → · Palette generator →