Color
#406eb0
#406eb0rgb(64, 110, 176)hsl(215, 47%, 47%)oklch(0.537 0.116 257.5)Colors that go with #406eb0
Charcoal, Sea Green and Amber 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 #406eb0: softer than #000 and cool enough to feel like part of the same palette.
Sea Green #2e8b57
triadicshippedSea Green completes a triad with #406eb0 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #406eb0 in 7 real palettes, including Lemon Squeezy's brand system and Wired's brand system, as the lead colour.
Blue #0000ff
shipped8 real palettes, including Pixar's brand system and Qualcomm's brand system put Blue beside #406eb0, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #406eb0: 8 real palettes, including Fintech Trust and Glacier, as the lead colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #406eb0: 4 real palettes, including Coca-Cola's brand system and NBA's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #406eb0 in 11 real palettes, including State Farm's brand system and NASCAR's brand system, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #406eb0: 5 real palettes, including Deep Water and Astro's brand system, as the lead colour.
Real palettes that use #406eb0
Tints & shades
Harmonies
Contrast
| #406eb0 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.15:1 | pass | pass | fail |
|
Aaon black | 4.08:1 | 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 #406eb0 as the background.
Brands using this color
Fonts for this mood
#406eb0 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 #406eb0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/406eb0-9ca8c4-df5d4e-201f2d-e9f0f1?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