Ember
Open in tool →Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights.
Color
#af3631
#af3631
hex
#af3631rgb
rgb(175, 54, 49)hsl
hsl(2, 56%, 44%)oklch
oklch(0.512 0.158 26.7)Closest name: firebrick (#b22222)Relative luminance 0.1197
Colors that go with #af3631
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 #af3631 — 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 #af3631 — 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 #af3631: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Teal #008080
complementaryshippedTeal sits directly opposite #af3631 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 #af3631 in 4 real palettes, including Ember and Maple, as the accent.
Blue #0000ff
shipped4 real palettes, including Tim Hortons's brand system and Dunkin''s brand system put Blue beside #af3631, as the accent.
Champagne #f7e7ce
shipped4 real palettes, including Woodsmoke and BrandSweets's brand system put Champagne beside #af3631, as the text colour against it.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #af3631: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #af3631
Tints & shades
Harmonies
Contrast
| #af3631 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.19:1 | pass | pass | fail |
|
Aaon black | 3.39:1 | 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 #af3631 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#af3631 reads as warm. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #af3631
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 #af3631 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/af3631-c4a29c-62cb9c-2d261f-f1e9ed?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