Color

#4585de

#4585de
hex#4585de
rgbrgb(69, 133, 222)
hslhsl(215, 70%, 57%)
oklchoklch(0.618 0.15 257.2)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2331

Colors that go with #4585de

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 →

#de9e45

#45d1de · #5145de

#de4585 · #85de45

Split-complementary

Open in tool →

#de5145 · #d1de45

#de45d1 · #de9e45 · #45de51

Contrast

#4585de as textRatioAAAA largeAAAFix
Aaon white
3.71:1failpassfail
  • AA: use #2b73da as the text (4.6:1)
  • AAA: use #1d56a5 as the text (7.18:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.66:1passpassfail
  • AAA: use #6398e3 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 #4585de 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

#4585de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4585de
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 #4585de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4585de-9ca8c4-df5d4e-201f2d-e9f0f1?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