Color

#2a3f7e

#2a3f7e
hex#2a3f7e
rgbrgb(42, 63, 126)
hslhsl(225, 50%, 33%)
oklchoklch(0.386 0.11 267.3)
Closest name: Evening Magic (#363e7d)Relative luminance 0.0555

Colors that go with #2a3f7e

Steel Blue, Blue and Crimson 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 →

#7e692a

#2a697e · #3f2a7e

#7e2a3f · #3f7e2a

Split-complementary

Open in tool →

#7e3f2a · #697e2a

#7e2a69 · #7e692a · #2a7e3f

Contrast

#2a3f7e as textRatioAAAA largeAAAFix
Aaon white
9.95:1passpasspassPasses AAA — no fix needed.
Aaon black
2.11:1failfailfail
  • AA: use #5370c6 as the text (4.5:1)
  • AAA: use #8196d5 as the text (7.26:1)
  • AA: or shift the background to #b0b0b0 (4.59:1)
  • AAA: or shift the background to #d9d9d9 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2a3f7e 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

#2a3f7e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2a3f7e
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 #2a3f7e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2a3f7e-9ca1c4-df754e-221f2d-e9eff1?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