#2A100C#2A100C

#2A100C is a very dark, muted red. Relative luminance 0.009; OKLCH L 21.2% C 0.044 H 30.2°. Best body text is #FFFFFF at 17.83:1 contrast (WCAG AA passes).

Color values

HEX	#2A100C
RGB	rgb(42, 16, 12)
HSL	hsl(8, 56%, 11%)
HSV	hsv(8, 71%, 16%)
CMYK	cmyk(0%, 61.9%, 71.4%, 83.5%)
CIE-LAB	lab(8.03, 13.04, 7.33)
CIE-LCH	lch(8.03, 14.96, 29.35°)
OKLab	oklab(21.22% 0.0383 0.0223)
OKLCH	oklch(21.22% 0.044 30.2)
XYZ	xyz(1.2066, 0.8895, 0.4559)
Luminance	0.0089 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A100C #0C262A

analogous

#2A0C17 #2A100C #2A1F0C

triadic

#2A100C #0C2A10 #100C2A

tetradic

#2A100C #172A0C #0C262A #1F0C2A

square

#2A100C #172A0C #0C262A #1F0C2A

split-complementary

#2A100C #0C2A1F #0C172A

monochromatic

#180907 #180907 #2A100C #5A221A #893427

Accessibility & contrast

On white

17.83

#2A100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#2A100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A100C

17.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A100C	#FFFFFF	#000000	##FFFFFF
##2A100C	1.00	17.83	1.18	17.83
#FFFFFF	17.83	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140C

Deuteranopia (green-blind)

#1D1A0C

Tritanopia (blue-blind)

#2F0C0F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #2a100c;
/* rgb */ color: rgb(42, 16, 12);
/* oklch */ color: oklch(21.2% 0.044 30.2);

Tailwind

colors: {
  custom: {
    50: '#654e4c',
    500: '#2a100c',
    950: '#000000',
  },
}

SCSS

$custom: #2a100c;
$custom-light: #654e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a100c",
  "rgb": {
    "r": 42,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 8,
    "s": 55.556,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21215,
    "c": 0.04436,
    "h": 30.2
  },
  "luminance": 0.00889
}

Semantic roles & 50–950 ramp

primary

#2A100C

secondary

#2D5E65

accent

#CBDF49

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #2A100C

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

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