Color
#346cf9
#346cf9rgb(52, 108, 249)hsl(223, 94%, 59%)oklch(0.579 0.219 264.2)Colors that go with #346cf9
Charcoal, Crimson 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 #346cf9: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
triadicshippedCrimson completes a triad with #346cf9 — 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 #346cf9 in 8 real palettes, including Mastodon hosted on mastodon.social's brand system and Walmart's brand system, as the accent.
Blue #0000ff
shipped14 real palettes, including MongoDB's brand system and EA's brand system put Blue beside #346cf9, as the accent.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #346cf9: 13 real palettes, including Behance's brand system and Carrefour's brand system, as the supporting colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #346cf9: 6 real palettes, including Webflow's brand system and Roblox's brand system, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #346cf9: 8 real palettes, including Elastic's brand system and Calm's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #346cf9: 15 real palettes, including Fivetran blue's brand system and Square's brand system, as the supporting colour.
Real palettes that use #346cf9
Tints & shades
Harmonies
Contrast
| #346cf9 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.51:1 | pass | pass | fail |
|
Aaon black | 4.66:1 | pass | 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 #346cf9 as the background.
Brands using this color
Fonts for this mood
#346cf9 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 #346cf9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/346cf9-9ca3c4-df704e-211f2d-e9eff1?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