Color

#285a8f

#285a8f
hex#285a8f
rgbrgb(40, 90, 143)
hslhsl(211, 56%, 36%)
oklchoklch(0.46 0.102 252.1)
Closest name: Blue Chip (#1d5699)Relative luminance 0.0975

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f5e28

#288d8f · #2a288f

#8f285a · #5a8f28

Split-complementary

Open in tool →

#8f2a28 · #8d8f28

#8f288d · #8f5e28 · #288f2a

Contrast

#285a8f as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #3678bf as the text (4.6:1)
  • AAA: use #649ad3 as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285a8f 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

#285a8f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285a8f
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 #285a8f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285a8f-9cabc4-df534e-1f202d-e9f1f1?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