Color

#030fb5

#030fb5
hex#030fb5
rgbrgb(3, 15, 181)
hslhsl(236, 97%, 36%)
oklchoklch(0.358 0.236 264.6)
Closest name: Dark Galaxy (#0018a8)Relative luminance 0.037

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b5a903

#0368b5 · #5003b5

#b5030f · #0fb503

Split-complementary

Open in tool →

#b55003 · #68b503

#b50368 · #b5a903 · #03b550

Contrast

#030fb5 as textRatioAAAA largeAAAFix
Aaon white
12.07:1passpasspassPasses AAA — no fix needed.
Aaon black
1.74:1failfailfail
  • AA: use #5964fc as the text (4.65:1)
  • AAA: use #868efd as the text (7.3:1)
  • AA: or shift the background to #9e9e9e (4.51:1)
  • AAA: or shift the background to #c7c7c7 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #030fb5 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

#030fb5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030fb5
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 #030fb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030fb5-9e9cc4-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