Color
#873fc6
#873fc6rgb(135, 63, 198)hsl(272, 54%, 51%)oklch(0.528 0.202 304.8)Colors that go with #873fc6
Denim, Royal Blue and Olive 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.
Denim #1560bd
shippedDesigners have shipped Denim with #873fc6: 4 real palettes, including Linkedin's brand system and Peacock, as the lead colour.
Royal Blue #4169e1
analogousshippedRoyal Blue is #873fc6's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Olive Green #808000
complementaryOlive Green sits directly opposite #873fc6 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sea Green #2e8b57
split-complementshippedSea Green is a split-complement of #873fc6: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #873fc6: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
shippedCrimson is paired with #873fc6 in 3 real palettes, including Gemstone and Wells Fargo's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #873fc6: 3 real palettes, including Calm's brand system and Kraken's brand system, as the lead colour.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue shows up next to #873fc6 in 3 real palettes, including monday.com's brand system and ClickUp's brand system, as the lead colour.
Real palettes that use #873fc6
Tints & shades
Harmonies
Contrast
| #873fc6 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.9:1 | pass | pass | fail |
|
Aaon black | 3.56:1 | 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 #873fc6 as the background.
Brands using this color
Fonts for this mood
#873fc6 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 #873fc6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/873fc6-b69cc4-c5cb62-2d1f2d-eae9f1?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