Color

#285ea9

#285ea9
hex#285ea9
rgbrgb(40, 94, 169)
hslhsl(215, 62%, 41%)
oklchoklch(0.486 0.133 257.4)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1132

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a97328

#289fa9 · #3328a9

#a9285e · #5ea928

Split-complementary

Open in tool →

#a93328 · #9fa928

#a9289f · #a97328 · #28a933

Contrast

#285ea9 as textRatioAAAA largeAAAFix
Aaon white
6.43:1passpassfail
  • AAA: use #25579d as the text (7.17:1)
Aaon black
3.26:1failpassfail
  • AA: use #3575d0 as the text (4.61:1)
  • AAA: use #6697db as the text (7.01:1)
  • AA: or shift the background to #d9d9d9 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285ea9 as the background.

Brands using this color

Fonts for this mood

#285ea9 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285ea9
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 #285ea9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285ea9-9ca8c4-df5d4e-201f2d-e9f0f1?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