Color

#417fb9

#417fb9
hex#417fb9
rgbrgb(65, 127, 185)
hslhsl(209, 48%, 49%)
oklchoklch(0.582 0.11 248.9)
Closest name: steelblue (#4682b4)Relative luminance 0.1981

Colors that go with #417fb9

Charcoal, Copper 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b97b41

#41b9b7 · #4143b9

#b9417f · #7fb941

Split-complementary

Open in tool →

#b94143 · #b9b741

#b741b9 · #b97b41 · #43b941

Contrast

#417fb9 as textRatioAAAA largeAAAFix
Aaon white
4.23:1failpassfail
  • AA: use #3e7ab1 as the text (4.54:1)
  • AAA: use #2e5b84 as the text (7.13:1)
  • AA: or shift the background to #0f0f0f (4.53:1)
Aaon black
4.96:1passpassfail
  • AAA: use #689bca as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #417fb9 as the background.

Brands using this color

Fonts for this mood

#417fb9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #417fb9
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #417fb9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/417fb9-9cacc4-df4e4e-1f212d-e9f1f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md