brandsweets

Color

#287cb8

#287cb8
hex#287cb8
rgbrgb(40, 124, 184)
hslhsl(205, 64%, 44%)
oklchoklch(0.566 0.122 244.4)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1833
CoolVividTechnicalModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
287cb8b86428

#b86428

Analogous

Open in tool →
287cb828b8ac2834b8

#28b8ac · #2834b8

Triadic

Open in tool →
287cb8b8287c7cb828

#b8287c · #7cb828

Split-complementary

Open in tool →
287cb8b82834b8ac28

#b82834 · #b8ac28

Tetradic

Open in tool →
287cb8ac28b8b8642834b828

#ac28b8 · #b86428 · #34b828

Contrast

#287cb8 as textRatioAAAA largeAAAFix
Aaon white
4.5:1passpassfail
  • AAA: use #1e5d8a as the text (7.03:1)
Aaon black
4.67:1passpassfail
  • AAA: use #4b9dd8 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #287cb8 as the background.

Brands using this color

Fonts for this mood

#287cb8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #287cb8
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 #287cb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/287cb8-9cafc4-df4e58-1f212d-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