Color

#434bb6

#434bb6
hex#434bb6
rgbrgb(67, 75, 182)
hslhsl(236, 46%, 49%)
oklchoklch(0.47 0.167 274.7)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.096

Colors that go with #434bb6

Charcoal, Sea Green and Steel Blue 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 →

#b6af43

#4385b6 · #7543b6

#b6434b · #4bb643

Split-complementary

Open in tool →

#b67543 · #85b643

#b64385 · #b6af43 · #43b675

Contrast

#434bb6 as textRatioAAAA largeAAAFix
Aaon white
7.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.92:1failfailfail
  • AA: use #666dc7 as the text (4.58:1)
  • AAA: use #8c90d4 as the text (7.06:1)
  • AA: or shift the background to #cfcfcf (4.62:1)
  • AAA: or shift the background to #fcfcfc (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #434bb6 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

#434bb6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #434bb6
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 #434bb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/434bb6-9e9cc4-df8f4e-241f2d-e9eef1?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