Color
#5a31fc
#5a31fcrgb(90, 49, 252)hsl(252, 97%, 59%)oklch(0.516 0.272 280.2)Colors that go with #5a31fc
Charcoal, Denim and Cobalt 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 #5a31fc: softer than #000 and cool enough to feel like part of the same palette.
Denim #1560bd
analogousshippedDenim is #5a31fc's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #5a31fc: 8 real palettes, including Nokia's brand system and NHL's brand system, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #5a31fc: 4 real palettes, including Qualcomm's brand system and Roblox's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #5a31fc in 6 real palettes, including Coinbase's brand system and Toyota's brand system.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #5a31fc: 5 real palettes, including Warp's brand system and Render's brand system, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #5a31fc: 4 real palettes, including OnePlus's brand system and Coursera's brand system, as the supporting colour.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #5a31fc in 4 real palettes, including Indigo SaaS and Console Light, as the accent.
Real palettes that use #5a31fc
Tints & shades
Harmonies
Contrast
| #5a31fc as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.4:1 | pass | pass | fail |
|
Aaon black | 3.28:1 | 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 #5a31fc as the background.
Brands using this color
Fonts for this mood
#5a31fc reads as cool, vivid, technical. 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 #5a31fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/5a31fc-a99cc4-dfb64e-281f2d-e9ecf1?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