Velvet
Open in tool →Burgundy and plum on near-black with a brass accent — theatre, wine, and anything that wants to feel after-dark.
Color
#6b243f
#6b243f
hex
#6b243frgb
rgb(107, 36, 63)hsl
hsl(337, 50%, 28%)oklch
oklch(0.376 0.105 359.9)Closest name: Beet Red (#7e203f)Relative luminance 0.0475
Colors that go with #6b243f
Teal, Crimson and Sage Green 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.
Teal #008080
complementaryshippedTeal sits directly opposite #6b243f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Crimson #dc143c
shippedCrimson is paired with #6b243f in 4 real palettes, including M&M's's brand system and Lenovo's brand system, as the supporting colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #6b243f: 4 real palettes, including Stone and Darkroom, as the supporting colour.
Blue #0000ff
shipped3 real palettes, including Dunkin''s brand system and Tim Hortons's brand system put Blue beside #6b243f, as the supporting colour.
Blush Pink #e8b4b8
shipped3 real palettes, including Nursery and Blush put Blush Pink beside #6b243f, as the lead colour.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #6b243f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Rust #b7410e
analogousshippedRust is #6b243f's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #6b243f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #6b243f
Tints & shades
Harmonies
Contrast
| #6b243f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 10.77:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.95:1 | 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 #6b243f as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#6b243f reads as warm, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #6b243f
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 #6b243f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/6b243f-c49ca7-62cb70-2d201f-f1e9f0?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