Color

#28253c

#28253c
hex#28253c
rgbrgb(40, 37, 60)
hslhsl(248, 24%, 19%)
oklchoklch(0.279 0.042 289.4)
Closest name: Midnight Express (#21263a)Relative luminance 0.021

Colors that go with #28253c

Charcoal, Dark Olive Green and Sea Green 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 →

#393c25

#252d3c · #34253c

#3c2825 · #253c28

Split-complementary

Open in tool →

#3c3425 · #2d3c25

#3c252d · #393c25 · #253c34

Contrast

#28253c as textRatioAAAA largeAAAFix
Aaon white
14.79:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #756ea6 as the text (4.54:1)
  • AAA: use #9690bb as the text (7:1)
  • AA: or shift the background to #8f8f8f (4.57:1)
  • AAA: or shift the background to #b3b3b3 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28253c as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#28253c reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28253c
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 #28253c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28253c-a69cc4-dfac4e-271f2d-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