Color

#030ace

#030ace
hex#030ace
rgbrgb(3, 10, 206)
hslhsl(238, 97%, 41%)
oklchoklch(0.39 0.263 264.4)
Closest name: mediumblue (#0000cd)Relative luminance 0.0469

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cec703

#036fce · #6203ce

#ce030a · #0ace03

Split-complementary

Open in tool →

#ce6203 · #6fce03

#ce036f · #cec703 · #03ce62

Contrast

#030ace as textRatioAAAA largeAAAFix
Aaon white
10.83:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #5e64fd as the text (4.72:1)
  • AAA: use #868afd as the text (7.07:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030ace as the background.

Brands using this color

Fonts for this mood

#030ace reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030ace
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #030ace and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030ace-9f9cc4-df944e-251f2d-e9edf1?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