Color

#2864dc

#2864dc
hex#2864dc
rgbrgb(40, 100, 220)
hslhsl(220, 72%, 51%)
oklchoklch(0.537 0.194 262.1)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1473

Colors that go with #2864dc

Medium Sea Green, Slate Gray and Olive Green 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 →

#dca028

#28bedc · #4628dc

#dc2864 · #64dc28

Split-complementary

Open in tool →

#dc4628 · #bedc28

#dc28be · #dca028 · #28dc46

Contrast

#2864dc as textRatioAAAA largeAAAFix
Aaon white
5.32:1passpassfail
  • AAA: use #1e51b8 as the text (7.18:1)
Aaon black
3.95:1failpassfail
  • AA: use #3a71df as the text (4.61:1)
  • AAA: use #6e97e7 as the text (7.24:1)
  • AA: or shift the background to #ededed (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 #2864dc as the background.

Brands using this color

Fonts for this mood

#2864dc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2864dc
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 #2864dc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2864dc-9ca5c4-df694e-211f2d-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