Color

#2a3792

#2a3792
hex#2a3792
rgbrgb(42, 55, 146)
hslhsl(233, 55%, 37%)
oklchoklch(0.386 0.149 271.3)
Closest name: Bluebell (#333399)Relative luminance 0.053

Colors that go with #2a3792

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 →

#92862a

#2a6a92 · #522a92

#922a37 · #37922a

Split-complementary

Open in tool →

#92522a · #6a922a

#922a6a · #92862a · #2a9252

Contrast

#2a3792 as textRatioAAAA largeAAAFix
Aaon white
10.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.06:1failfailfail
  • AA: use #616ed1 as the text (4.66:1)
  • AAA: use #8892dd as the text (7.2:1)
  • AA: or shift the background to #adadad (4.54:1)
  • AAA: or shift the background to #d6d6d6 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3792 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#2a3792 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3792
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 #2a3792 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3792-9c9cc4-df884e-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