Noir Beauty
Open in tool →Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick.
Color
#bb3930
#bb3930
hex
#bb3930rgb
rgb(187, 57, 48)hsl
hsl(4, 59%, 46%)oklch
oklch(0.535 0.168 28.1)Closest name: Bloodshed (#ba271a)Relative luminance 0.137
Colors that go with #bb3930
Royal Blue, Sea Green and Teal 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 #bb3930 — 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 #bb3930 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
complementaryshippedTeal sits directly opposite #bb3930 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 #bb3930 in 4 real palettes, including Ember and Maple, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #bb3930 in 6 real palettes, including Olive Grove and Magazine Ochre, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #bb3930: 11 real palettes, including Campbell's's brand system and Nissan's brand system, as the accent.
Gold #ffd700
shippedGold shows up next to #bb3930 in 4 real palettes, including Garnet and Lay's's brand system, as the accent.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #bb3930: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Real palettes that use #bb3930
Tints & shades
Harmonies
Contrast
| #bb3930 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.61:1 | pass | pass | fail |
|
Aaon black | 3.74:1 | 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 #bb3930 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#bb3930 reads as warm. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #bb3930
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 #bb3930 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/bb3930-c4a39c-62cb9f-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