#A6211F#A6211F

#A6211F is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.169 H 27.2°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX#A6211F
RGBrgb(166, 33, 31)
HSLhsl(1, 69%, 39%)
HSVhsv(1, 81%, 65%)
CMYKcmyk(0%, 80.1%, 81.3%, 34.9%)
CIE-LABlab(36.55, 52.53, 35.96)
CIE-LCHlch(36.55, 63.66, 34.39°)
OKLaboklab(47.33% 0.1505 0.0774)
OKLCHoklch(47.33% 0.169 27.2)
XYZxyz(16.5191, 9.2963, 2.2206)
Luminance0.0929 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A6211F #1FA4A6
analogous
#A61F60 #A6211F #A6641F
triadic
#A6211F #1FA621 #211FA6
tetradic
#A6211F #60A61F #1FA4A6 #641FA6
square
#A6211F #60A61F #1FA4A6 #641FA6
split-complementary
#A6211F #1FA664 #1F60A6
monochromatic
#3F0C0C #721715 #A6211F #D72D2B #E1605E

Accessibility & contrast

On white

7.35
#A6211F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.86
#A6211F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6211F
7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A6211F#FFFFFF#000000##FFFFFF
##A6211F1.007.352.867.35
#FFFFFF7.351.0021.001.00
#0000002.8621.001.0021.00
##FFFFFF7.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4B441D
Deuteranopia (green-blind)
#6C6018
Tritanopia (blue-blind)
#B70023
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #a6211f;
/* rgb */ color: rgb(166, 33, 31);
/* oklch */ color: oklch(47.3% 0.169 27.2);
Tailwind
colors: {
  custom: {
    50: '#ca6a5c',
    500: '#a6211f',
    950: '#000000',
  },
}
SCSS
$custom: #a6211f;
$custom-light: #ca6a5c;
$custom-dark: #000000;
JSON
{
  "hex": "#a6211f",
  "rgb": {
    "r": 166,
    "g": 33,
    "b": 31
  },
  "hsl": {
    "h": 0.889,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47329,
    "c": 0.16924,
    "h": 27.2
  },
  "luminance": 0.09294
}

Semantic roles & 50–950 ramp

primary
#A6211F
secondary
#5BC4C5
accent
#E9EB3C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A6211F

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

Preview Lab → · Contrast checker → · Palette generator →

#A6211F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva