Color
#6437be
#6437bergb(100, 55, 190)hsl(260, 55%, 48%)oklch(0.473 0.198 292.4)Colors that go with #6437be
Charcoal, Royal Blue and Cornflower 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 #6437be: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
analogousshippedRoyal Blue is #6437be's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #6437be: 4 real palettes, including Blue Mono and Coca-Cola's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #6437be in 6 real palettes, including Gemstone and Netflix's brand system, as the accent.
Midnight Blue #191970
shipped6 real palettes, including Kraken's brand system and Purina Pro Plan's brand system put Midnight Blue beside #6437be, as the lead colour.
Sea Green #2e8b57
shippedSea Green shows up next to #6437be in 4 real palettes, including Jack Daniel's's brand system and Netflix's brand system, as the accent.
Olive Green #808000
complementaryOlive Green sits directly opposite #6437be 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 #6437be: 3 real palettes, including Kraken's brand system and Calm's brand system, as the accent.
Real palettes that use #6437be
Tints & shades
Harmonies
Contrast
| #6437be as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.42:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.83:1 | 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 #6437be as the background.
Brands using this color
Fonts for this mood
#6437be 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 #6437be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/6437be-ae9cc4-dfc94e-2a1f2d-e9ebf1?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