Color

#2e37c2

#2e37c2
hex#2e37c2
rgbrgb(46, 55, 194)
hslhsl(236, 62%, 47%)
oklchoklch(0.435 0.211 270.9)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0721

Colors that go with #2e37c2

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c2b82e

#2e82c2 · #6e2ec2

#c22e37 · #37c22e

Split-complementary

Open in tool →

#c26e2e · #82c22e

#c22e82 · #c2b82e · #2ec26e

Contrast

#2e37c2 as textRatioAAAA largeAAAFix
Aaon white
8.6:1passpasspassPasses AAA — no fix needed.
Aaon black
2.44:1failfailfail
  • AA: use #626ada as the text (4.59:1)
  • AAA: use #8b91e4 as the text (7.27:1)
  • AA: or shift the background to #bdbdbd (4.58:1)
  • AAA: or shift the background to #e8e8e8 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e37c2 as the background.

Brands using this color

Fonts for this mood

#2e37c2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e37c2
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 #2e37c2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e37c2-9e9cc4-df8f4e-241f2d-e9eef1?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