Color

#28599a

#28599a
hex#28599a
rgbrgb(40, 89, 154)
hslhsl(214, 59%, 38%)
oklchoklch(0.465 0.118 256.5)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0993

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a6928

#28929a · #2f289a

#9a2859 · #599a28

Split-complementary

Open in tool →

#9a2f28 · #929a28

#9a2892 · #9a6928 · #289a2f

Contrast

#28599a as textRatioAAAA largeAAAFix
Aaon white
7.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #3475cb as the text (4.55:1)
  • AAA: use #6999d8 as the text (7.15:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (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 #28599a 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

#28599a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28599a
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 #28599a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28599a-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