Skip to content
AI Color

#A3100F — Ruby

#A3100F is a mid-tone saturated red sitting at 0° on the color wheel. Below you will find every format, a full tint and shade ramp, contrast ratings, and five harmony schemes built around it.

#a3100f
HEX
RGB
HSL
CMYK
Closest name
Color family
Contrast on white
Contrast on black

Tints and shades of #A3100F

Color schemes using #A3100F

analogous

Neighbouring hues that sit side by side on the color wheel for a calm, cohesive feel.

complementary

Two opposite hues that create the strongest possible contrast and visual tension.

split complementary

A base hue paired with the two neighbours of its complement — bold but easier to balance.

triadic

Three hues spaced evenly around the wheel for a vibrant, well-balanced scheme.

tetradic

Two complementary pairs, giving you the widest range of usable accents.

monochromatic

A single hue explored across lightness and saturation for a refined, minimal look.

Nearby colors

#A3100F FAQ

What color is #A3100F?

#A3100F is a shade of ruby in the red family. It has a hue of 0 degrees, 83% saturation and 35% lightness, which makes it a mid-tone saturated color.

What is the RGB value of #A3100F?

#A3100F is rgb(163, 16, 15) in RGB, hsl(0, 83%, 35%) in HSL, and cmyk(0%, 90%, 91%, 36%) in CMYK.

Can I use white text on #A3100F?

White text on this background reaches 7.96:1, which passes WCAG AA. Black text reaches 2.64:1.

What colors go well with #A3100F?

Its direct complement is #0FA3A3. For something less stark, the split-complementary pair #0FA359 and #0F59A3 gives you contrast without the vibration.