Color

#434fb6

#434fb6
hex#434fb6
rgbrgb(67, 79, 182)
hslhsl(234, 46%, 49%)
oklchoklch(0.478 0.162 273.6)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1016

Colors that go with #434fb6

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 →

#b6ab43

#4388b6 · #7143b6

#b6434f · #4fb643

Split-complementary

Open in tool →

#b67143 · #88b643

#b64388 · #b6ab43 · #43b671

Contrast

#434fb6 as textRatioAAAA largeAAAFix
Aaon white
6.92:1passpassfail
  • AAA: use #424db3 as the text (7.13:1)
Aaon black
3.03:1failpassfail
  • AA: use #6670c7 as the text (4.71:1)
  • AAA: use #8c93d4 as the text (7.24:1)
  • AA: or shift the background to #d1d1d1 (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 #434fb6 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

#434fb6 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #434fb6
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 #434fb6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/434fb6-9d9cc4-df8a4e-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