Color

#285a71

#285a71
hex#285a71
rgbrgb(40, 90, 113)
hslhsl(199, 48%, 30%)
oklchoklch(0.444 0.065 230.6)
Closest name: Atlantis (#336172)Relative luminance 0.0896

Tints & shades

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

Harmonies

Complementary

Open in tool →

#713f28

#287164 · #283571

#71285a · #5a7128

Split-complementary

Open in tool →

#712835 · #716428

#642871 · #713f28 · #357128

Contrast

#285a71 as textRatioAAAA largeAAAFix
Aaon white
7.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.79:1failfailfail
  • AA: use #387e9f as the text (4.65:1)
  • AAA: use #519ec2 as the text (7.02:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285a71 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

#285a71 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285a71
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 #285a71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285a71-9cb3c4-df4e66-1f232d-e9f1f0?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