Color

#28166a

#28166a
hex#28166a
rgbrgb(40, 22, 106)
hslhsl(253, 66%, 25%)
oklchoklch(0.289 0.136 283.8)
Closest name: midnightblue (#191970)Relative luminance 0.0207

Tints & shades

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

Harmonies

Complementary

Open in tool →

#586a16

#162e6a · #52166a

#6a2816 · #166a28

Split-complementary

Open in tool →

#6a5216 · #2e6a16

#6a162e · #586a16 · #166a52

Contrast

#28166a as textRatioAAAA largeAAAFix
Aaon white
14.86:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #7d62df as the text (4.68:1)
  • AAA: use #9d88e7 as the text (7.11:1)
  • AA: or shift the background to #8f8f8f (4.6:1)
  • AAA: or shift the background to #b3b3b3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28166a 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

#28166a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28166a
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 #28166a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28166a-a99cc4-dfb84e-281f2d-e9ebf1?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