Color

#4368a8

#4368a8
hex#4368a8
rgbrgb(67, 104, 168)
hslhsl(218, 43%, 46%)
oklchoklch(0.52 0.11 260.7)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1392

Colors that go with #4368a8

Charcoal, Sea Green and Sienna 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 →

#a88343

#439aa8 · #5043a8

#a84368 · #68a843

Split-complementary

Open in tool →

#a85043 · #9aa843

#a8439a · #a88343 · #43a850

Contrast

#4368a8 as textRatioAAAA largeAAAFix
Aaon white
5.55:1passpassfail
  • AAA: use #39588e as the text (7.09:1)
Aaon black
3.78:1failpassfail
  • AA: use #5077b9 as the text (4.68:1)
  • AAA: use #7896c9 as the text (7:1)
  • AA: or shift the background to #e8e8e8 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4368a8 as the background.

Brands using this color

Fonts for this mood

#4368a8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4368a8
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 #4368a8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4368a8-9ca6c4-df644e-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