Color

#2c78e2

#2c78e2
hex#2c78e2
rgbrgb(44, 120, 226)
hslhsl(215, 76%, 53%)
oklchoklch(0.584 0.178 257.8)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1946

Colors that go with #2c78e2

Charcoal, Crimson and Copper 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 →

#e2962c

#2cd3e2 · #3b2ce2

#e22c78 · #78e22c

Split-complementary

Open in tool →

#e23b2c · #d3e22c

#e22cd3 · #e2962c · #2ce23b

Contrast

#2c78e2 as textRatioAAAA largeAAAFix
Aaon white
4.29:1failpassfail
  • AA: use #2372e1 as the text (4.6:1)
  • AAA: use #1755ab as the text (7.18:1)
  • AA: or shift the background to #0d0d0d (4.53:1)
Aaon black
4.89:1passpassfail
  • AAA: use #5d98e9 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2c78e2 as the background.

Brands using this color

Fonts for this mood

#2c78e2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2c78e2
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 #2c78e2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2c78e2-9ca8c4-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