Color

#45237b

#45237b
hex#45237b
rgbrgb(69, 35, 123)
hslhsl(263, 56%, 31%)
oklchoklch(0.355 0.141 296.1)
Closest name: Galactic Civilization (#442288)Relative luminance 0.039

Colors that go with #45237b

Charcoal, Royal 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 →

#597b23

#232d7b · #71237b

#7b4523 · #237b45

Split-complementary

Open in tool →

#7b7123 · #2d7b23

#7b232d · #597b23 · #237b71

Contrast

#45237b as textRatioAAAA largeAAAFix
Aaon white
11.8:1passpasspassPasses AAA — no fix needed.
Aaon black
1.78:1failfailfail
  • AA: use #895cd1 as the text (4.52:1)
  • AAA: use #a988dd as the text (7.25:1)
  • AA: or shift the background to #a1a1a1 (4.57:1)
  • AAA: or shift the background to #c9c9c9 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #45237b 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

#45237b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #45237b
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 #45237b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45237b-b09cc4-dfd04e-2b1f2d-e9eaf1?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