#A11A1C#A11A1C

#A11A1C is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.170 H 26.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#A11A1C
RGB	rgb(161, 26, 28)
HSL	hsl(359, 72%, 37%)
HSV	hsv(359, 84%, 63%)
CMYK	cmyk(0%, 83.9%, 82.6%, 36.9%)
CIE-LAB	lab(34.81, 52.87, 35.58)
CIE-LCH	lch(34.81, 63.73, 33.94°)
OKLab	oklab(45.85% 0.1515 0.076)
OKLCH	oklch(45.85% 0.17 26.6)
XYZ	xyz(15.2789, 8.4022, 1.9157)
Luminance	0.0840 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11A1C #1AA19F

analogous

#A11A60 #A11A1C #A15C1A

triadic

#A11A1C #1CA11A #1A1CA1

tetradic

#A11A1C #60A11A #1AA19F #5C1AA1

square

#A11A1C #60A11A #1AA19F #5C1AA1

split-complementary

#A11A1C #1AA15C #1A60A1

monochromatic

#38090A #6C1113 #A11A1C #D62325 #E35254

Accessibility & contrast

On white

7.84

#A11A1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11A1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11A1C

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11A1C	#FFFFFF	#000000	##FFFFFF
##A11A1C	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)

#473F1A

Deuteranopia (green-blind)

#685C15

Tritanopia (blue-blind)

#B2001D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11a1c;
/* rgb */ color: rgb(161, 26, 28);
/* oklch */ color: oklch(45.8% 0.170 26.6);

Tailwind

colors: {
  custom: {
    50: '#c66659',
    500: '#a11a1c',
    950: '#000000',
  },
}

SCSS

$custom: #a11a1c;
$custom-light: #c66659;
$custom-dark: #000000;

JSON

{
  "hex": "#a11a1c",
  "rgb": {
    "r": 161,
    "g": 26,
    "b": 28
  },
  "hsl": {
    "h": 359.111,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45845,
    "c": 0.16952,
    "h": 26.6
  },
  "luminance": 0.084
}

Semantic roles & 50–950 ramp

primary

#A11A1C

secondary

#51C6C4

accent

#EFEC39

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11A1C

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

Preview Lab → · Contrast checker → · Palette generator →