Color

#285d8a

#285d8a
hex#285d8a
rgbrgb(40, 93, 138)
hslhsl(208, 55%, 35%)
oklchoklch(0.464 0.092 247.1)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.1011

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a5628

#288a87 · #282b8a

#8a285d · #5d8a28

Split-complementary

Open in tool →

#8a282b · #8a8728

#87288a · #8a5628 · #2b8a28

Contrast

#285d8a as textRatioAAAA largeAAAFix
Aaon white
6.95:1passpassfail
  • AAA: use #275a86 as the text (7.26:1)
Aaon black
3.02:1failpassfail
  • AA: use #357ab6 as the text (4.61:1)
  • AAA: use #619dd1 as the text (7.25:1)
  • AA: or shift the background to #d1d1d1 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285d8a 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

#285d8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285d8a
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 #285d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285d8a-9cadc4-df4e51-1f212d-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