Color

#28575c

#28575c
hex#28575c
rgbrgb(40, 87, 92)
hslhsl(186, 39%, 26%)
oklchoklch(0.426 0.052 204.6)
Closest name: Enchanting Ivy (#315955)Relative luminance 0.0804

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5c2e28

#285c47 · #283d5c

#5c2857 · #575c28

Split-complementary

Open in tool →

#5c283d · #5c4728

#47285c · #5c2e28 · #3d5c28

Contrast

#28575c as textRatioAAAA largeAAAFix
Aaon white
8.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #3b7f87 as the text (4.57:1)
  • AAA: use #4ca4ae as the text (7.23:1)
  • AA: or shift the background to #c2c2c2 (4.52:1)
  • AAA: or shift the background to #f0f0f0 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28575c 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

#28575c reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #28575c
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 #28575c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28575c-a2b8be-df4e86-1f262d-e9f1ee?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