Color

#2e408e

#2e408e
hex#2e408e
rgbrgb(46, 64, 142)
hslhsl(229, 51%, 37%)
oklchoklch(0.403 0.131 269.8)
Closest name: Cascade Twilight (#234893)Relative luminance 0.062

Colors that go with #2e408e

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 →

#8e7d2e

#2e708e · #4d2e8e

#8e2e40 · #408e2e

Split-complementary

Open in tool →

#8e4d2e · #708e2e

#8e2e70 · #8e7d2e · #2e8e4d

Contrast

#2e408e as textRatioAAAA largeAAAFix
Aaon white
9.37:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #5d71cb as the text (4.69:1)
  • AAA: use #8493d7 as the text (7.14:1)
  • AA: or shift the background to #b5b5b5 (4.57:1)
  • AAA: or shift the background to #e0e0e0 (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 #2e408e as the background.

Brands using this color

Fonts for this mood

#2e408e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2e408e
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 #2e408e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2e408e-9c9fc4-df7e4e-231f2d-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