Color

#423a7e

#423a7e
hex#423a7e
rgbrgb(66, 58, 126)
hslhsl(247, 37%, 36%)
oklchoklch(0.394 0.111 285.5)
Closest name: Galactic Compass (#48357b)Relative luminance 0.0569

Colors that go with #423a7e

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 →

#767e3a

#3a547e · #643a7e

#7e423a · #3a7e42

Split-complementary

Open in tool →

#7e643a · #547e3a

#7e3a54 · #767e3a · #3a7e64

Contrast

#423a7e as textRatioAAAA largeAAAFix
Aaon white
9.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #766cbc as the text (4.64:1)
  • AAA: use #968fcc as the text (7.1:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (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 #423a7e 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

#423a7e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423a7e
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 #423a7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423a7e-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