#A6221E#A6221E

#A6221E is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.4% C 0.169 H 27.7°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX#A6221E
RGBrgb(166, 34, 30)
HSLhsl(2, 69%, 38%)
HSVhsv(2, 82%, 65%)
CMYKcmyk(0%, 79.5%, 81.9%, 34.9%)
CIE-LABlab(36.64, 52.20, 36.61)
CIE-LCHlch(36.64, 63.76, 35.05°)
OKLaboklab(47.4% 0.1493 0.0785)
OKLCHoklch(47.4% 0.169 27.7)
XYZxyz(16.5343, 9.3475, 2.1617)
Luminance0.0935 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A6221E #1EA2A6
analogous
#A61E5E #A6221E #A6661E
triadic
#A6221E #1EA622 #221EA6
tetradic
#A6221E #5EA61E #1EA2A6 #661EA6
square
#A6221E #5EA61E #1EA2A6 #661EA6
split-complementary
#A6221E #1EA666 #1E5EA6
monochromatic
#3E0D0B #721715 #A6221E #D82E29 #E2615D

Accessibility & contrast

On white

7.32
#A6221E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.87
#A6221E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A6221E
7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A6221E#FFFFFF#000000##FFFFFF
##A6221E1.007.322.877.32
#FFFFFF7.321.0021.001.00
#0000002.8721.001.0021.00
##FFFFFF7.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4C441C
Deuteranopia (green-blind)
#6C6017
Tritanopia (blue-blind)
#B70023
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #a6221e;
/* rgb */ color: rgb(166, 34, 30);
/* oklch */ color: oklch(47.4% 0.169 27.7);
Tailwind
colors: {
  custom: {
    50: '#ca6a5b',
    500: '#a6221e',
    950: '#000000',
  },
}
SCSS
$custom: #a6221e;
$custom-light: #ca6a5b;
$custom-dark: #000000;
JSON
{
  "hex": "#a6221e",
  "rgb": {
    "r": 166,
    "g": 34,
    "b": 30
  },
  "hsl": {
    "h": 1.765,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47397,
    "c": 0.16864,
    "h": 27.7
  },
  "luminance": 0.09345
}

Semantic roles & 50–950 ramp

primary
#A6221E
secondary
#5AC3C6
accent
#E7EC3C
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #A6221E

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

Preview Lab → · Contrast checker → · Palette generator →

#A6221E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva