Color

#285db8

#285db8
hex#285db8
rgbrgb(40, 93, 184)
hslhsl(218, 64%, 44%)
oklchoklch(0.495 0.155 260.5)
Closest name: Denim (#1560bd)Relative luminance 0.1174

Colors that go with #285db8

Charcoal, Sienna and Amber lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b88328

#28a5b8 · #3c28b8

#b8285d · #5db828

Split-complementary

Open in tool →

#b83c28 · #a5b828

#b828a5 · #b88328 · #28b83c

Contrast

#285db8 as textRatioAAAA largeAAAFix
Aaon white
6.27:1passpassfail
  • AAA: use #2555a7 as the text (7.15:1)
Aaon black
3.35:1failpassfail
  • AA: use #3a73d4 as the text (4.58:1)
  • AAA: use #6d97df as the text (7.14:1)
  • AA: or shift the background to #dbdbdb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #285db8 as the background.

Brands using this color

Fonts for this mood

#285db8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #285db8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #285db8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/285db8-9ca6c4-df644e-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