Color

#28558f

#28558f
hex#28558f
rgbrgb(40, 85, 143)
hslhsl(214, 56%, 36%)
oklchoklch(0.448 0.108 255.9)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0893

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f6328

#28888f · #2f288f

#8f2855 · #558f28

Split-complementary

Open in tool →

#8f2f28 · #888f28

#8f2888 · #8f6328 · #288f2f

Contrast

#28558f as textRatioAAAA largeAAAFix
Aaon white
7.54:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #3876c7 as the text (4.58:1)
  • AAA: use #6c9ad5 as the text (7.22:1)
  • AA: or shift the background to #c9c9c9 (4.55:1)
  • AAA: or shift the background to #f7f7f7 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28558f 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

#28558f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28558f
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 #28558f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28558f-9ca9c4-df5a4e-1f1f2d-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