Circuit
Open in tool →Violet plus cyan is the current AI-product signal — pair it with pure black type to keep it from going candy.
Color
#7f37eb
#7f37eb
hex
#7f37ebrgb
rgb(127, 55, 235)hsl
hsl(264, 82%, 57%)oklch
oklch(0.54 0.247 294.7)Closest name: blueviolet (#8a2be2)Relative luminance 0.1324
Colors that go with #7f37eb
Olive Green, Deep Sky Blue and Midnight 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 #7f37eb on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #7f37eb: 3 real palettes, including Render's brand system and Calm's brand system, as the supporting colour.
Midnight Blue #191970
shipped3 real palettes, including Lavender Haze and Discord's brand system put Midnight Blue beside #7f37eb, as that palette's text colour.
Royal Blue #4169e1
analogousshippedRoyal Blue is #7f37eb'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 #7f37eb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Forest Green #228b22
split-complementForest Green is a split-complement of #7f37eb: 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 #7f37eb: softer than #000 and cool enough to feel like part of the same palette.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #7f37eb: two real palettes: Mastodon hosted on mastodon.social's brand system and Roblox's brand system, as the supporting colour.
Real palettes that use #7f37eb
Tints & shades
Harmonies
Contrast
| #7f37eb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.76:1 | pass | pass | fail |
|
Aaon black | 3.65:1 | 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 #7f37eb as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#7f37eb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #7f37eb
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 #7f37eb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/7f37eb-b19cc4-dfd34e-2b1f2d-e9eaf1?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