Color

#0028f0

#0028f0
hex#0028f0
rgbrgb(0, 40, 240)
hslhsl(230, 100%, 47%)
oklchoklch(0.455 0.283 264.2)
Closest name: Blue Overdose (#0020ef)Relative luminance 0.0781

Colors that go with #0028f0

Charcoal, Crimson and Cobalt Blue 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 →

#f0c800

#00a0f0 · #5000f0

#f00028 · #28f000

Split-complementary

Open in tool →

#f05000 · #a0f000

#f000a0 · #f0c800 · #00f050

Contrast

#0028f0 as textRatioAAAA largeAAAFix
Aaon white
8.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.56:1failfailfail
  • AA: use #4766ff as the text (4.61:1)
  • AAA: use #7a90ff as the text (7.26:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #ededed (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0028f0 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

#0028f0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0028f0
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 #0028f0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0028f0-9c9ec4-df814e-231f2d-e9eef1?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