Color

#423479

#423479
hex#423479
rgbrgb(66, 52, 121)
hslhsl(252, 40%, 34%)
oklchoklch(0.378 0.113 289.2)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0499

Colors that go with #423479

Steel Blue, Blue and Crimson 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 →

#6c7934

#344979 · #653479

#794234 · #347942

Split-complementary

Open in tool →

#796534 · #497934

#793449 · #6c7934 · #347965

Contrast

#423479 as textRatioAAAA largeAAAFix
Aaon white
10.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2:1failfailfail
  • AA: use #7a69bf as the text (4.6:1)
  • AAA: use #9a8dce as the text (7.08:1)
  • AA: or shift the background to #ababab (4.57:1)
  • AAA: or shift the background to #d4d4d4 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423479 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

#423479 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423479
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 #423479 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423479-a99cc4-dfb64e-281f2d-e9ecf1?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