#A11A1A#A11A1A

#A11A1A is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.170 H 27.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#A11A1A
RGB	rgb(161, 26, 26)
HSL	hsl(0, 72%, 37%)
HSV	hsv(0, 84%, 63%)
CMYK	cmyk(0%, 83.9%, 83.9%, 36.9%)
CIE-LAB	lab(34.79, 52.81, 36.68)
CIE-LCH	lch(34.79, 64.30, 34.78°)
OKLab	oklab(45.83% 0.151 0.0776)
OKLCH	oklch(45.83% 0.17 27.2)
XYZ	xyz(15.2557, 8.3930, 1.7938)
Luminance	0.0839 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11A1A #1AA1A1

analogous

#A11A5E #A11A1A #A15E1A

triadic

#A11A1A #1AA11A #1A1AA1

tetradic

#A11A1A #5EA11A #1AA1A1 #5E1AA1

square

#A11A1A #5EA11A #1AA1A1 #5E1AA1

split-complementary

#A11A1A #1AA15E #1A5EA1

monochromatic

#380909 #6C1111 #A11A1A #D62323 #E35252

Accessibility & contrast

On white

7.84

#A11A1A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11A1A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11A1A

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11A1A	#FFFFFF	#000000	##FFFFFF
##A11A1A	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F18

Deuteranopia (green-blind)

#685C12

Tritanopia (blue-blind)

#B2001D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11a1a;
/* rgb */ color: rgb(161, 26, 26);
/* oklch */ color: oklch(45.8% 0.170 27.2);

Tailwind

colors: {
  custom: {
    50: '#c76658',
    500: '#a11a1a',
    950: '#000000',
  },
}

SCSS

$custom: #a11a1a;
$custom-light: #c76658;
$custom-dark: #000000;

JSON

{
  "hex": "#a11a1a",
  "rgb": {
    "r": 161,
    "g": 26,
    "b": 26
  },
  "hsl": {
    "h": 0,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45826,
    "c": 0.16974,
    "h": 27.2
  },
  "luminance": 0.0839
}

Semantic roles & 50–950 ramp

primary

#A11A1A

secondary

#51C6C6

accent

#EFEF39

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11A1A

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

Preview Lab → · Contrast checker → · Palette generator →