Color

#2b556e

#2b556e
hex#2b556e
rgbrgb(43, 85, 110)
hslhsl(202, 44%, 30%)
oklchoklch(0.43 0.063 236.8)
Closest name: Bluedgeons (#324c64)Relative luminance 0.0814

Colors that go with #2b556e

Royal Blue, Sienna 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 →

#6e442b

#2b6e65 · #2b346e

#6e2b55 · #556e2b

Split-complementary

Open in tool →

#6e2b34 · #6e652b

#652b6e · #6e442b · #346e2b

Contrast

#2b556e as textRatioAAAA largeAAAFix
Aaon white
7.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.63:1failfailfail
  • AA: use #3d7b9e as the text (4.53:1)
  • AAA: use #619ec2 as the text (7.18:1)
  • AA: or shift the background to #c4c4c4 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (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 #2b556e 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

#2b556e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b556e
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 #2b556e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b556e-9cb1c4-df4e5f-1f222d-e9f1f0?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