Color

#28497b

#28497b
hex#28497b
rgbrgb(40, 73, 123)
hslhsl(216, 51%, 32%)
oklchoklch(0.407 0.093 258.5)
Closest name: Blue Funk (#2d4470)Relative luminance 0.0665

Colors that go with #28497b

Blue, Cadet 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 →

#7b5a28

#28737b · #30287b

#7b2849 · #497b28

Split-complementary

Open in tool →

#7b3028 · #737b28

#7b2873 · #7b5a28 · #287b30

Contrast

#28497b as textRatioAAAA largeAAAFix
Aaon white
9.02:1passpasspassPasses AAA — no fix needed.
Aaon black
2.33:1failfailfail
  • AA: use #4275c2 as the text (4.56:1)
  • AAA: use #7197d1 as the text (7.05:1)
  • AA: or shift the background to #b8b8b8 (4.54:1)
  • AAA: or shift the background to #e3e3e3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28497b 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

#28497b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28497b
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 #28497b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28497b-9ca7c4-df5f4e-201f2d-e9f0f1?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