Color

#4085d4

#4085d4
hex#4085d4
rgbrgb(64, 133, 212)
hslhsl(212, 63%, 54%)
oklchoklch(0.61 0.139 253.6)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2262

Colors that go with #4085d4

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 →

#d48f40

#40cfd4 · #4540d4

#d44085 · #85d440

Split-complementary

Open in tool →

#d44540 · #cfd440

#d440cf · #d48f40 · #40d445

Contrast

#4085d4 as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #2d75c8 as the text (4.68:1)
  • AAA: use #225896 as the text (7.23:1)
  • AA: or shift the background to #1a1a1a (4.58:1)
Aaon black
5.52:1passpassfail
  • AAA: use #619adb as the text (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4085d4 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#4085d4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4085d4
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 #4085d4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4085d4-9caac4-df564e-1f202d-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