Color

#030faa

#030faa
hex#030faa
rgbrgb(3, 15, 170)
hslhsl(236, 97%, 34%)
oklchoklch(0.343 0.224 264.6)
Closest name: Cobalt (#030aa7)Relative luminance 0.0326

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aba003

#0362ab · #4b03ab

#ab030e · #0eab03

Split-complementary

Open in tool →

#ab4b03 · #62ab03

#ab0362 · #aba003 · #03ab4b

Contrast

#030faa as textRatioAAAA largeAAAFix
Aaon white
12.71:1passpasspassPasses AAA — no fix needed.
Aaon black
1.65:1failfailfail
  • AA: use #5964fc as the text (4.65:1)
  • AAA: use #868efd as the text (7.3:1)
  • AA: or shift the background to #9c9c9c (4.63:1)
  • AAA: or shift the background to #c2c2c2 (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 #030faa as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

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

mcpConnect your agent — build around #030faa
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 #030faa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030faa-9e9cc4-df8f4e-241f2d-e9eef1?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