Color
#c5571b
#c5571brgb(197, 87, 27)hsl(21, 76%, 44%)oklch(0.588 0.156 44.6)Colors that go with #c5571b
Charcoal, Crimson and Royal 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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #c5571b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
analogousshippedCrimson is #c5571b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #c5571b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #c5571b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Steel Blue #4682b4
complementaryshippedSteel Blue sits directly opposite #c5571b 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 #c5571b in 5 real palettes, including Trailhead and Ember, as the accent.
Blue #0000ff
shipped8 real palettes, including Doordash's brand system and Tim Hortons's brand system put Blue beside #c5571b, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #c5571b: 4 real palettes, including Clean Beauty and Dusk, as the lead colour.
Real palettes that use #c5571b
Tints & shades
Harmonies
Contrast
| #c5571b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.42:1 | fail | pass | fail | |
Aaon black | 4.75:1 | pass | 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 #c5571b as the background.
Brands using this color
Fonts for this mood
#c5571b reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #c5571b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/c5571b-c4af9c-62cbbd-2d2a1f-f1e9ea?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