Color

#4182d2

#4182d2
hex#4182d2
rgbrgb(65, 130, 210)
hslhsl(213, 62%, 54%)
oklchoklch(0.602 0.139 255)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2174

Colors that go with #4182d2

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 →

#d29141

#41cbd2 · #4841d2

#d24182 · #82d241

Split-complementary

Open in tool →

#d24841 · #cbd241

#d241cb · #d29141 · #41d248

Contrast

#4182d2 as textRatioAAAA largeAAAFix
Aaon white
3.93:1failpassfail
  • AA: use #2f75ca as the text (4.65:1)
  • AAA: use #245999 as the text (7.09:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.35:1passpassfail
  • AAA: use #6298da as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4182d2 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

#4182d2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4182d2
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 #4182d2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4182d2-9ca9c4-df584e-1f202d-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