Color

#4238ad

#4238ad
hex#4238ad
rgbrgb(66, 56, 173)
hslhsl(245, 51%, 45%)
oklchoklch(0.429 0.179 279.6)
Closest name: Bluebell (#333399)Relative luminance 0.07

Colors that go with #4238ad

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.

Real palettes that use #4238ad

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#a4ad38

#3869ad · #7d38ad

#ad4238 · #38ad42

Split-complementary

Open in tool →

#ad7d38 · #69ad38

#ad3869 · #a4ad38 · #38ad7d

Contrast

#4238ad as textRatioAAAA largeAAAFix
Aaon white
8.75:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #7169ce as the text (4.61:1)
  • AAA: use #968fdb as the text (7.25:1)
  • AA: or shift the background to #bababa (4.51:1)
  • AAA: or shift the background to #e6e6e6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4238ad 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

#4238ad reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4238ad
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 #4238ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4238ad-a49cc4-dfa54e-261f2d-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