#A6672F
≈ sienna · rgb(166, 103, 47)
Color formats
HEX#A6672F
RGBrgb(166, 103, 47)
HSLhsl(28, 56%, 42%)
HSVhsv(28, 72%, 65%)
OKLCHoklch(57% 0.11 59)
CMYKcmyk(0%, 38%, 72%, 35%)
Contrast & accessibility
On white4.56:1AA pass
On black4.60:1AA pass
Best text color#000000
Nearest CSS name: sienna
Copy-ready code
CSS custom properties
:root {
--sienna: #a6672f;
--sienna-rgb: 166 103 47;
--sienna-oklch: oklch(57% 0.11 59);
}The space-separated triple lets you set alpha without a second variable:
background: rgb(var(--sienna-rgb) / 40%);
Tailwind (arbitrary value)
bg-[#a6672f] text-[#a6672f] border-[#a6672f]
Shades & tints
50
#EEE9E5
100
#E4DBD2
200
#D4BEAA
300
#C8A17E
400
#C0834D
500
#A6672F
600
#825329
700
#603F21
800
#402B18
900
#21170E
950
#120C08
Color harmonies
Complementary
#2F6EA6
Analogous −30°
#A62F32
Analogous +30°
#A6A32F
Triadic +120°
#2FA667
Triadic −120°
#672FA6
About this color
#A6672F is a color with the RGB value rgb(166, 103, 47). Its closest CSS named color is "sienna". On this page you'll find every format (HEX, RGB, HSL, HSV, OKLCH, CMYK), WCAG contrast against white and black, a full 50–950 shade scale, and complementary, analogous and triadic harmonies — each linking to its own color page.