Color
#21370c
#21370crgb(33, 55, 12)hsl(91, 64%, 13%)oklch(0.308 0.072 132.5)Colors that go with #21370c
Charcoal, Crimson and Denim 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 #21370c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Crimson #dc143c
triadicshippedCrimson completes a triad with #21370c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Denim #1560bd
triadicshippedDenim completes a triad with #21370c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
analogousshippedSea Green is #21370c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #21370c in 7 real palettes, including McDonald's's brand system and Wikipedia's brand system, as the lead colour.
Blue #0000ff
shipped11 real palettes, including Instacart's brand system and Headspace's brand system put Blue beside #21370c, as the accent.
Blush Pink #e8b4b8
shipped5 real palettes, including Rain Garden and Garden Wedding put Blush Pink beside #21370c, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #21370c in 4 real palettes, including Chalkboard and Polaroid, as the lead colour.
Real palettes that use #21370c
Tints & shades
Harmonies
Contrast
| #21370c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.99:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.62:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #21370c as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#21370c reads as vivid, dark, luxury. 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 #21370c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21370c-acbea2-534edf-202d1f-f1f1e9?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