Color

#2b5278

#2b5278
hex#2b5278
rgbrgb(43, 82, 120)
hslhsl(210, 47%, 32%)
oklchoklch(0.428 0.078 249.5)
Closest name: Assassin (#2d4f83)Relative luminance 0.079

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#78522b

#2b7878 · #2b2b78

#782b52 · #52782b

Split-complementary

Open in tool →

#782b2b · #78782b

#782b78 · #78522b · #2b782b

Contrast

#2b5278 as textRatioAAAA largeAAAFix
Aaon white
8.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #4078b0 as the text (4.53:1)
  • AAA: use #6999c9 as the text (7:1)
  • AA: or shift the background to #c2c2c2 (4.57:1)
  • AAA: or shift the background to #f0f0f0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b5278 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

#2b5278 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b5278
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #2b5278 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b5278-9cabc4-df514e-1f202d-e9f1f1?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