Color

#030b36

#030b36
hex#030b36
rgbrgb(3, 11, 54)
hslhsl(231, 89%, 11%)
oklchoklch(0.18 0.085 266.3)
Closest name: Infinite Night (#071037)Relative luminance 0.0053

Tints & shades

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

Harmonies

Complementary

Open in tool →

#352e03

#032435 · #150335

#35030b · #0b3503

Split-complementary

Open in tool →

#351503 · #243503

#350324 · #352e03 · #033515

Contrast

#030b36 as textRatioAAAA largeAAAFix
Aaon white
19:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #4d66f5 as the text (4.53:1)
  • AAA: use #7d8ff7 as the text (7.14:1)
  • AA: or shift the background to #7d7d7d (4.62:1)
  • AAA: or shift the background to #9e9e9e (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 #030b36 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

#030b36 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #030b36
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 #030b36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/030b36-9c9ec4-df834e-231f2d-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