Color

#372cce

#372cce
hex#372cce
rgbrgb(55, 44, 206)
hslhsl(244, 65%, 49%)
oklchoklch(0.438 0.233 273.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0707

Colors that go with #372cce

Charcoal, Sea Green and Cornflower 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 →

#c3ce2c

#2c72ce · #882cce

#ce372c · #2cce37

Split-complementary

Open in tool →

#ce882c · #72ce2c

#ce2c72 · #c3ce2c · #2cce88

Contrast

#372cce as textRatioAAAA largeAAAFix
Aaon white
8.7:1passpasspassPasses AAA — no fix needed.
Aaon black
2.41:1failfailfail
  • AA: use #6f68df as the text (4.72:1)
  • AAA: use #938de7 as the text (7.2:1)
  • AA: or shift the background to #bdbdbd (4.63:1)
  • AAA: or shift the background to #e8e8e8 (7.1:1)

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

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

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

tool url/palettes/new/372cce-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