Color

#372ed6

#372ed6
hex#372ed6
rgbrgb(55, 46, 214)
hslhsl(243, 67%, 51%)
oklchoklch(0.449 0.241 273.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0762

Colors that go with #372ed6

Charcoal, Sea Green and Amber 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 →

#cdd62e

#2e7ad6 · #8a2ed6

#d6372e · #2ed637

Split-complementary

Open in tool →

#d68a2e · #7ad62e

#d62e7a · #cdd62e · #2ed68a

Contrast

#372ed6 as textRatioAAAA largeAAAFix
Aaon white
8.32:1passpasspassPasses AAA — no fix needed.
Aaon black
2.52:1failfailfail
  • AA: use #6c66e1 as the text (4.63:1)
  • AAA: use #918ce8 as the text (7.12:1)
  • AA: or shift the background to #bfbfbf (4.52:1)
  • AAA: or shift the background to #ededed (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #372ed6 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

#372ed6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #372ed6
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 #372ed6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/372ed6-a39cc4-dfa04e-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