Color

#0a30c7

#0a30c7
hex#0a30c7
rgbrgb(10, 48, 199)
hslhsl(228, 90%, 41%)
oklchoklch(0.418 0.231 264.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.063

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c7a10a

#0a8ec7 · #430ac7

#c70a30 · #30c70a

Split-complementary

Open in tool →

#c7430a · #8ec70a

#c70a8e · #c7a10a · #0ac743

Contrast

#0a30c7 as textRatioAAAA largeAAAFix
Aaon white
9.29:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #476af5 as the text (4.65:1)
  • AAA: use #7791f8 as the text (7.19:1)
  • AA: or shift the background to #b5b5b5 (4.53:1)
  • AAA: or shift the background to #e0e0e0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a30c7 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

#0a30c7 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a30c7
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 #0a30c7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a30c7-9c9fc4-df7c4e-231f2d-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