Color
#818fca
#818fcargb(129, 143, 202)hsl(228, 41%, 65%)oklch(0.662 0.089 273.5)Colors that go with #818fca
Charcoal, Amber and 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 text near-black for #818fca: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #818fca in 6 real palettes, including Blueprint and Ahrefs's brand system, as the accent.
Blue #0000ff
shipped5 real palettes, including Qualcomm's brand system and Canva's brand system put Blue beside #818fca, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #818fca: 4 real palettes, including Dusk and Notion's brand system, as the accent.
Dark Orange #ff8c00
shippedDark Orange shows up next to #818fca in 4 real palettes, including Ahrefs's brand system and Elastic's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #818fca: 7 real palettes, including Blueprint and Snowflake AI Data Cloud's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #818fca: 8 real palettes, including Dusk and Open House, as the lead colour.
Peru #cd853f
split-complementshippedPeru is a split-complement of #818fca: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #818fca
Tints & shades
Harmonies
Contrast
| #818fca as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.13:1 | fail | pass | fail | |
Aaon black | 6.72:1 | 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 #818fca 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
#818fca 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 #818fca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/818fca-9c9fc4-df7c4e-231f2d-e9eff1?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