Color

#2e288f

#2e288f
hex#2e288f
rgbrgb(46, 40, 143)
hslhsl(243, 56%, 36%)
oklchoklch(0.36 0.163 277)
Closest name: Depths of Night (#2c319b)Relative luminance 0.0408

Colors that go with #2e288f

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 →

#8a8f28

#28578f · #61288f

#8f2e28 · #288f2e

Split-complementary

Open in tool →

#8f6128 · #578f28

#8f2857 · #8a8f28 · #288f61

Contrast

#2e288f as textRatioAAAA largeAAAFix
Aaon white
11.56:1passpasspassPasses AAA — no fix needed.
Aaon black
1.82:1failfailfail
  • AA: use #6d68d4 as the text (4.58:1)
  • AAA: use #9490e0 as the text (7.32:1)
  • AA: or shift the background to #a3a3a3 (4.58:1)
  • AAA: or shift the background to #cccccc (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2e288f 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

#2e288f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e288f
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 #2e288f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e288f-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