Color

#2e37ad

#2e37ad
hex#2e37ad
rgbrgb(46, 55, 173)
hslhsl(236, 58%, 43%)
oklchoklch(0.414 0.185 271.8)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0633

Colors that go with #2e37ad

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 →

#ada52e

#2e76ad · #652ead

#ad2e37 · #37ad2e

Split-complementary

Open in tool →

#ad652e · #76ad2e

#ad2e76 · #ada52e · #2ead65

Contrast

#2e37ad as textRatioAAAA largeAAAFix
Aaon white
9.27:1passpasspassPasses AAA — no fix needed.
Aaon black
2.27:1failfailfail
  • AA: use #626ad5 as the text (4.54:1)
  • AAA: use #8a90e0 as the text (7.15:1)
  • AA: or shift the background to #b5b5b5 (4.52:1)
  • AAA: or shift the background to #e0e0e0 (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 #2e37ad 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

#2e37ad reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e37ad
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 #2e37ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e37ad-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