#2C100B#2C100B

#2C100B is a very dark, muted red. Relative luminance 0.009; OKLCH L 21.6% C 0.048 H 31.7°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#2C100B
RGB	rgb(44, 16, 11)
HSL	hsl(9, 60%, 11%)
HSV	hsv(9, 75%, 17%)
CMYK	cmyk(0%, 63.6%, 75%, 82.7%)
CIE-LAB	lab(8.40, 13.94, 8.35)
CIE-LCH	lch(8.40, 16.25, 30.93°)
OKLab	oklab(21.56% 0.0406 0.0251)
OKLCH	oklch(21.56% 0.048 31.7)
XYZ	xyz(1.2845, 0.9304, 0.4285)
Luminance	0.0093 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C100B #0B272C

analogous

#2C0B16 #2C100B #2C200B

triadic

#2C100B #0B2C10 #100B2C

tetradic

#2C100B #162C0B #0B272C #200B2C

square

#2C100B #162C0B #0B272C #200B2C

split-complementary

#2C100B #0B2C20 #0B162C

monochromatic

#180906 #180906 #2C100B #5D2217 #8E3423

Accessibility & contrast

On white

17.71

#2C100B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#2C100B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C100B

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C100B	#FFFFFF	#000000	##FFFFFF
##2C100B	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)

#17150A

Deuteranopia (green-blind)

#1E1B0A

Tritanopia (blue-blind)

#310B0F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #2c100b;
/* rgb */ color: rgb(44, 16, 11);
/* oklch */ color: oklch(21.6% 0.048 31.7);

Tailwind

colors: {
  custom: {
    50: '#674f4b',
    500: '#2c100b',
    950: '#000000',
  },
}

SCSS

$custom: #2c100b;
$custom-light: #674f4b;
$custom-dark: #000000;

JSON

{
  "hex": "#2c100b",
  "rgb": {
    "r": 44,
    "g": 16,
    "b": 11
  },
  "hsl": {
    "h": 9.091,
    "s": 60,
    "l": 10.784
  },
  "oklch": {
    "l": 0.21561,
    "c": 0.04775,
    "h": 31.7
  },
  "luminance": 0.0093
}

Semantic roles & 50–950 ramp

primary

#2C100B

secondary

#2B5F68

accent

#CBE345

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060201

muted

#7A7877

Preview Lab

Preview with #2C100B

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

Preview Lab → · Contrast checker → · Palette generator →