Color

#3030df

#3030df
hex#3030df
rgbrgb(48, 48, 223)
hslhsl(240, 73%, 53%)
oklchoklch(0.457 0.251 270.7)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0807

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dfdf30

#3087df · #8730df

#df3030 · #30df30

Split-complementary

Open in tool →

#df8730 · #87df30

#df3087 · #dfdf30 · #30df87

Contrast

#3030df as textRatioAAAA largeAAAFix
Aaon white
8.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.61:1failfailfail
  • AA: use #6565e7 as the text (4.57:1)
  • AAA: use #8c8ced as the text (7.09:1)
  • AA: or shift the background to #c2c2c2 (4.51:1)
  • AAA: or shift the background to #f0f0f0 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3030df 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

#3030df reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3030df
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 #3030df and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3030df-a19cc4-df994e-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