Ember
Open in tool →Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights.
Color
#aa3f31
#aa3f31
hex
#aa3f31rgb
rgb(170, 63, 49)hsl
hsl(7, 55%, 43%)oklch
oklch(0.514 0.144 30.2)Closest name: Barbarossa (#a84734)Relative luminance 0.1232
Colors that go with #aa3f31
Royal Blue, Sea Green and Steel Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #aa3f31 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #aa3f31 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
split-complementshippedSteel Blue is a split-complement of #aa3f31: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite #aa3f31 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #aa3f31 in 4 real palettes, including Ember and Maple, as the accent.
Champagne #f7e7ce
shipped5 real palettes, including Woodsmoke and BrandSweets's brand system put Champagne beside #aa3f31, as the text colour against it.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #aa3f31: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #aa3f31: 4 real palettes, including MLB's brand system and Behance's brand system, as the accent.
Real palettes that use #aa3f31
Tints & shades
Harmonies
Contrast
| #aa3f31 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.06:1 | pass | pass | fail |
|
Aaon black | 3.46:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #aa3f31 as the background.
Brands using this color
Palettes built around it
Woodsmoke
Open in tool →Amber and oxblood on smoky brown — a fireside dark mode that photographs whisky, leather and wool.
Typewriter
Open in tool →Ink-black and ribbon-red on manila — the correspondence palette; all the vintage comes from the paper colour.
Fonts for this mood
#aa3f31 reads as warm. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #aa3f31
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #aa3f31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/aa3f31-c4a59c-62cba4-2d271f-f1e9ec?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md