Color

#063cbc

#063cbc
hex#063cbc
rgbrgb(6, 60, 188)
hslhsl(222, 94%, 38%)
oklchoklch(0.424 0.206 263.2)
Closest name: Blue Hour (#0034ab)Relative luminance 0.069

Colors that go with #063cbc

Charcoal, Crimson and Steel 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 →

#bc8506

#0698bc · #2a06bc

#bc063c · #3cbc06

Split-complementary

Open in tool →

#bc2a06 · #98bc06

#bc0698 · #bc8506 · #06bc2a

Contrast

#063cbc as textRatioAAAA largeAAAFix
Aaon white
8.82:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #2f6cf9 as the text (4.63:1)
  • AAA: use #6692fa as the text (7.06:1)
  • AA: or shift the background to #bababa (4.55:1)
  • AAA: or shift the background to #e6e6e6 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #063cbc as the background.

Brands using this color

Fonts for this mood

#063cbc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #063cbc
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 #063cbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/063cbc-9ca3c4-df6e4e-211f2d-e9eff1?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