Color

#372fa2

#372fa2
hex#372fa2
rgbrgb(55, 47, 162)
hslhsl(244, 55%, 41%)
oklchoklch(0.396 0.177 277.7)
Closest name: Bluebell (#333399)Relative luminance 0.0545

Colors that go with #372fa2

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 →

#9aa22f

#2f61a2 · #702fa2

#a2372f · #2fa237

Split-complementary

Open in tool →

#a2702f · #61a22f

#a22f61 · #9aa22f · #2fa270

Contrast

#372fa2 as textRatioAAAA largeAAAFix
Aaon white
10.04:1passpasspassPasses AAA — no fix needed.
Aaon black
2.09:1failfailfail
  • AA: use #7069d3 as the text (4.65:1)
  • AAA: use #928cde as the text (7.03:1)
  • AA: or shift the background to #b0b0b0 (4.63:1)
  • AAA: or shift the background to #d9d9d9 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #372fa2 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

#372fa2 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #372fa2
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 #372fa2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/372fa2-a39cc4-dfa24e-261f2d-e9edf1?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