Color

#423a82

#423a82
hex#423a82
rgbrgb(66, 58, 130)
hslhsl(247, 38%, 37%)
oklchoklch(0.397 0.117 284.8)
Closest name: Galactic Compass (#48357b)Relative luminance 0.058

Colors that go with #423a82

Charcoal, Steel Blue and 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 →

#7a823a

#3a5682 · #673a82

#82433a · #3a8243

Split-complementary

Open in tool →

#82673a · #56823a

#823a56 · #7a823a · #3a8267

Contrast

#423a82 as textRatioAAAA largeAAAFix
Aaon white
9.73:1passpasspassPasses AAA — no fix needed.
Aaon black
2.16:1failfailfail
  • AA: use #756bbd as the text (4.59:1)
  • AAA: use #968ecc as the text (7.04:1)
  • AA: or shift the background to #b3b3b3 (4.64:1)
  • AAA: or shift the background to #dbdbdb (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 #423a82 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

#423a82 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423a82
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 #423a82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423a82-a59cc4-dfaa4e-271f2d-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