#2A181C#2A181C

#2A181C is a very dark, muted red. Relative luminance 0.012; OKLCH L 23.5% C 0.030 H 5.1°. Best body text is #FFFFFF at 16.86:1 contrast (WCAG AA passes).

Color values

HEX	#2A181C
RGB	rgb(42, 24, 28)
HSL	hsl(347, 27%, 13%)
HSV	hsv(347, 43%, 16%)
CMYK	cmyk(0%, 42.9%, 33.3%, 83.5%)
CIE-LAB	lab(10.77, 9.77, 0.96)
CIE-LCH	lch(10.77, 9.82, 5.59°)
OKLab	oklab(23.46% 0.0295 0.0026)
OKLCH	oklch(23.46% 0.03 5.1)
XYZ	xyz(1.4911, 1.2294, 1.2572)
Luminance	0.0123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A181C #182A26

analogous

#2A1825 #2A181C #2A1D18

triadic

#2A181C #1C2A18 #181C2A

tetradic

#2A181C #252A18 #182A26 #1D182A

square

#2A181C #252A18 #182A26 #1D182A

split-complementary

#2A181C #182A1D #18252A

monochromatic

#130B0D #130B0D #2A181C #512E36 #784550

Accessibility & contrast

On white

16.86

#2A181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#2A181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A181C

16.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A181C	#FFFFFF	#000000	##FFFFFF
##2A181C	1.00	16.86	1.25	16.86
#FFFFFF	16.86	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B1C

Deuteranopia (green-blind)

#1F1E1C

Tritanopia (blue-blind)

#2D1719

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #2a181c;
/* rgb */ color: rgb(42, 24, 28);
/* oklch */ color: oklch(23.5% 0.030 5.1);

Tailwind

colors: {
  custom: {
    50: '#645557',
    500: '#2a181c',
    950: '#000000',
  },
}

SCSS

$custom: #2a181c;
$custom-light: #645557;
$custom-dark: #000000;

JSON

{
  "hex": "#2a181c",
  "rgb": {
    "r": 42,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 346.667,
    "s": 27.273,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23457,
    "c": 0.02966,
    "h": 5.1
  },
  "luminance": 0.01229
}

Semantic roles & 50–950 ramp

primary

#2A181C

secondary

#405E57

accent

#C4AE64

background

#F6F4F5

surface

#EBE7E9

border

#C6C3C5

text

#050303

muted

#7A7878

Preview Lab

Preview with #2A181C

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

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