Color

#28368f

#28368f
hex#28368f
rgbrgb(40, 54, 143)
hslhsl(232, 56%, 36%)
oklchoklch(0.38 0.147 270.8)
Closest name: Bluebell (#333399)Relative luminance 0.0507

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f8128

#286a8f · #4e288f

#8f2836 · #368f28

Split-complementary

Open in tool →

#8f4e28 · #6a8f28

#8f286a · #8f8128 · #288f4e

Contrast

#28368f as textRatioAAAA largeAAAFix
Aaon white
10.42:1passpasspassPasses AAA — no fix needed.
Aaon black
2.01:1failfailfail
  • AA: use #5c6cd1 as the text (4.52:1)
  • AAA: use #8893dd as the text (7.26:1)
  • AA: or shift the background to #ababab (4.54:1)
  • AAA: or shift the background to #d4d4d4 (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 #28368f 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

#28368f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28368f
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 #28368f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28368f-9c9dc4-df864e-231f2d-e9eef1?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