Color
#8b91cb
#8b91cbrgb(139, 145, 203)hsl(234, 38%, 67%)oklch(0.674 0.086 279.3)Colors that go with #8b91cb
Charcoal, Amber and Copper 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 text near-black for #8b91cb: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #8b91cb in 6 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #8b91cb: 4 real palettes, including Dusk and Atelier, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #8b91cb: 6 real palettes, including Blueprint and Calm's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #8b91cb: 6 real palettes, including Dusk and Open House, as the lead colour.
Midnight Blue #191970
shipped8 real palettes, including Open House and First Snow put Midnight Blue beside #8b91cb, as the text colour against it.
Orange Red #ff4500
shippedOrange Red is paired with #8b91cb in 4 real palettes, including Cursor's brand system and Google's brand system, as the lead colour.
Peru #cd853f
split-complementshippedPeru is a split-complement of #8b91cb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #8b91cb
Tints & shades
Harmonies
Contrast
| #8b91cb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3:1 | fail | fail | fail | |
Aaon black | 7.01:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8b91cb 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
#8b91cb reads as cool, modern. 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 #8b91cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/8b91cb-9d9cc4-df8a4e-241f2d-e9eef1?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