#2A100E#2A100E

#2A100E is a very dark, muted red. Relative luminance 0.009; OKLCH L 21.3% C 0.044 H 25.9°. Best body text is #FFFFFF at 17.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A100E
RGB	rgb(42, 16, 14)
HSL	hsl(4, 50%, 11%)
HSV	hsv(4, 67%, 16%)
CMYK	cmyk(0%, 61.9%, 66.7%, 83.5%)
CIE-LAB	lab(8.08, 13.25, 6.44)
CIE-LCH	lch(8.08, 14.74, 25.92°)
OKLab	oklab(21.27% 0.0394 0.0191)
OKLCH	oklch(21.27% 0.044 25.9)
XYZ	xyz(1.2195, 0.8947, 0.5238)
Luminance	0.0089 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A100E #0E282A

analogous

#2A0E1A #2A100E #2A1E0E

triadic

#2A100E #0E2A10 #100E2A

tetradic

#2A100E #1A2A0E #0E282A #1E0E2A

square

#2A100E #1A2A0E #0E282A #1E0E2A

split-complementary

#2A100E #0E2A1E #0E1A2A

monochromatic

#170908 #170908 #2A100E #58211D #86332D

Accessibility & contrast

On white

17.81

#2A100E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#2A100E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A100E

17.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A100E	#FFFFFF	#000000	##FFFFFF
##2A100E	1.00	17.81	1.18	17.81
#FFFFFF	17.81	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140E

Deuteranopia (green-blind)

#1D1A0D

Tritanopia (blue-blind)

#2F0C10

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #2a100e;
/* rgb */ color: rgb(42, 16, 14);
/* oklch */ color: oklch(21.3% 0.044 25.9);

Tailwind

colors: {
  custom: {
    50: '#654e4d',
    500: '#2a100e',
    950: '#000000',
  },
}

SCSS

$custom: #2a100e;
$custom-light: #654e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#2a100e",
  "rgb": {
    "r": 42,
    "g": 16,
    "b": 14
  },
  "hsl": {
    "h": 4.286,
    "s": 50,
    "l": 10.98
  },
  "oklch": {
    "l": 0.21265,
    "c": 0.04377,
    "h": 25.9
  },
  "luminance": 0.00895
}

Semantic roles & 50–950 ramp

primary

#2A100E

secondary

#306064

accent

#D0DA4E

background

#F6F4F4

surface

#EBE7E7

border

#C6C3C3

text

#060101

muted

#7A7777

Preview Lab

Preview with #2A100E

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

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