Color

#28295c

#28295c
hex#28295c
rgbrgb(40, 41, 92)
hslhsl(239, 39%, 26%)
oklchoklch(0.31 0.089 279)
Closest name: Deep Sea Base (#2c2c57)Relative luminance 0.0281

Colors that go with #28295c

Charcoal, Dark Olive Green and Slate 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 →

#5c5b28

#28435c · #41285c

#5c2829 · #295c28

Split-complementary

Open in tool →

#5c4128 · #435c28

#5c2843 · #5c5b28 · #285c41

Contrast

#28295c as textRatioAAAA largeAAAFix
Aaon white
13.44:1passpasspassPasses AAA — no fix needed.
Aaon black
1.56:1failfailfail
  • AA: use #6a6cbe as the text (4.5:1)
  • AAA: use #9192cf as the text (7.22:1)
  • AA: or shift the background to #969696 (4.55:1)
  • AAA: or shift the background to #bdbdbd (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28295c 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

#28295c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28295c
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 #28295c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28295c-a09cc4-df964e-251f2d-e9edf1?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