Color

#063ca7

#063ca7
hex#063ca7
rgbrgb(6, 60, 167)
hslhsl(220, 93%, 34%)
oklchoklch(0.403 0.18 262.2)
Closest name: Blue Hour (#0034ab)Relative luminance 0.0606

Colors that go with #063ca7

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 →

#a77206

#068ca7 · #2106a7

#a7063c · #3ca706

Split-complementary

Open in tool →

#a72106 · #8ca706

#a7068c · #a77206 · #06a721

Contrast

#063ca7 as textRatioAAAA largeAAAFix
Aaon white
9.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.21:1failfailfail
  • AA: use #266cf7 as the text (4.57:1)
  • AAA: use #6294f9 as the text (7.12:1)
  • AA: or shift the background to #b3b3b3 (4.53:1)
  • AAA: or shift the background to #dedede (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #063ca7 as the background.

Brands using this color

Fonts for this mood

#063ca7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #063ca7
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 #063ca7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/063ca7-9ca5c4-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