Color

#28158a

#28158a
hex#28158a
rgbrgb(40, 21, 138)
hslhsl(250, 74%, 31%)
oklchoklch(0.324 0.176 277.5)
Closest name: Dramatic Blue (#240093)Relative luminance 0.0282

Colors that go with #28158a

Steel Blue, Charcoal and Crimson 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 →

#768a15

#153c8a · #63158a

#8a2815 · #158a28

Split-complementary

Open in tool →

#8a6315 · #3c8a15

#8a153c · #768a15 · #158a63

Contrast

#28158a as textRatioAAAA largeAAAFix
Aaon white
13.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #765fe7 as the text (4.56:1)
  • AAA: use #9887ed as the text (7.02:1)
  • AA: or shift the background to #969696 (4.54:1)
  • AAA: or shift the background to #bdbdbd (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28158a 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

#28158a reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28158a
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 #28158a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28158a-a79cc4-dfb14e-281f2d-e9ecf1?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