Color

#28243d

#28243d
hex#28243d
rgbrgb(40, 36, 61)
hslhsl(250, 26%, 19%)
oklchoklch(0.277 0.046 290.4)
Closest name: Midnight Velvet (#2a2243)Relative luminance 0.0205

Tints & shades

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

Harmonies

Complementary

Open in tool →

#393d24

#242c3d · #35243d

#3d2824 · #243d28

Split-complementary

Open in tool →

#3d3524 · #2c3d24

#3d242c · #393d24 · #243d35

Contrast

#28243d as textRatioAAAA largeAAAFix
Aaon white
14.89:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #786eaa as the text (4.61:1)
  • AAA: use #9992bf as the text (7.22:1)
  • AA: or shift the background to #8f8f8f (4.61:1)
  • AAA: or shift the background to #b3b3b3 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28243d as the background.

Brands using this color

Fonts for this mood

#28243d reads as cool, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28243d
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 #28243d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28243d-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