Gemstone
Open in tool →Emerald, amethyst and ruby on velvet-black — the jewel-tone trio; the surface must be dark or the stones go plastic.
Color
#810dd3
#810dd3
hex
#810dd3rgb
rgb(129, 13, 211)hsl
hsl(275, 88%, 44%)oklch
oklch(0.493 0.253 302.8)Closest name: Lilac Spring (#8822cc)Relative luminance 0.0966
Colors that go with #810dd3
Olive Green, Medium Slate Blue and Royal 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.
Olive Green #808000
complementaryOlive Green sits directly opposite #810dd3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Medium Slate Blue #7b68ee
shippedMedium Slate Blue is paired with #810dd3 in 3 real palettes, including ClickUp's brand system and monday.com's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
analogousshippedRoyal Blue is #810dd3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
triadicshippedTeal completes a triad with #810dd3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Sea Green #2e8b57
split-complementSea Green is a split-complement of #810dd3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Charcoal #36454f
neutralCharcoal is the text near-black for #810dd3: softer than #000 and cool enough to feel like part of the same palette.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #810dd3 in two real palettes: Render's brand system and Kraken's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #810dd3 in two real palettes: Peacock and Slack's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #810dd3
Tints & shades
Harmonies
Contrast
| #810dd3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.16:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.93:1 | 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 #810dd3 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#810dd3 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #810dd3
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 #810dd3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/810dd3-b89cc4-c0cb62-2d1f2d-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