Color

#2b479c

#2b479c
hex#2b479c
rgbrgb(43, 71, 156)
hslhsl(225, 57%, 39%)
oklchoklch(0.427 0.143 266.6)
Closest name: Cascade Twilight (#234893)Relative luminance 0.0742

Colors that go with #2b479c

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 →

#9c802b

#2b809c · #472b9c

#9c2b47 · #479c2b

Split-complementary

Open in tool →

#9c472b · #809c2b

#9c2b80 · #9c802b · #2b9c47

Contrast

#2b479c as textRatioAAAA largeAAAFix
Aaon white
8.45:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #4f6fcf as the text (4.51:1)
  • AAA: use #7b93db as the text (7.04:1)
  • AA: or shift the background to #bfbfbf (4.6:1)
  • AAA: or shift the background to #ebebeb (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b479c as the background.

Brands using this color

Fonts for this mood

#2b479c reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b479c
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 #2b479c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b479c-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