Color

#28126d

#28126d
hex#28126d
rgbrgb(40, 18, 109)
hslhsl(255, 72%, 25%)
oklchoklch(0.287 0.143 283.8)
Closest name: midnightblue (#191970)Relative luminance 0.0199

Colors that go with #28126d

Charcoal, Denim and Blue 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 →

#576e12

#12296e · #57126e

#6e2912 · #126e29

Split-complementary

Open in tool →

#6e5712 · #296e12

#6e1229 · #576e12 · #126e57

Contrast

#28126d as textRatioAAAA largeAAAFix
Aaon white
15.03:1passpasspassPasses AAA — no fix needed.
Aaon black
1.4:1failfailfail
  • AA: use #7f5de5 as the text (4.6:1)
  • AAA: use #a189ec as the text (7.3:1)
  • AA: or shift the background to #8f8f8f (4.65:1)
  • AAA: or shift the background to #b3b3b3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28126d 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

#28126d reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28126d
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 #28126d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28126d-ab9cc4-dfbd4e-291f2d-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