Sienna Brown (3B180C) — Shades, Harmonies, Palettes, CSS Code

"Sienna Brown"

Earth · Winter

🧠 Psychology

Color of energy and passion. Red stimulates attention and evokes urgency, love or strength.

✨ Uses

CTAs, alerts, fashion, beauty, food, sport.

Tip

Sienna Brown pairs ideally with #F7F5F0 (off-white) and a neutral background for a modern, readable result.

Values

HEX #3B180C

RGB rgb(59, 24, 12)

HSL hsl(15°, 66%, 14%)

CMYK C:0% M:59% Y:80% K:77%

Luminance 0.0125

WCAG Accessibility

On white 15.89:1

Aa — #3B180C

Secondary text

✓ AA ✓ AAA ✓ AA Large

On black 1.32:1

Aa — #3B180C

Secondary text

✗ AA ✗ AAA ✗ AA Large

50 100 200 300 400 500 600 700 800 900 950

All harmonies

Complementary

#3B180C #0C2F3B

Analogous

#3B0C18 #3B180C #3B2F0C

Triadic

#3B180C #0C3B18 #180C3B

Split-comp.

#3B180C #0C3B2F #0C183B

Tetradic

#3B180C #183B0C #0C2F3B #2F0C3B

Monochromatic

#CB6948 #873E26 #381A10 #100704 #000000

Suggested palettes for this hue.

Orange Energy View all →

Nordic View all →

Volcano View all →