Color

#0b032b

#0b032b
hex#0b032b
rgbrgb(11, 3, 43)
hslhsl(252, 87%, 9%)
oklchoklch(0.155 0.078 283.9)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#232b03

#030f2b · #1f032b

#2b0b03 · #032b0b

Split-complementary

Open in tool →

#2b1f03 · #0f2b03

#2b030f · #232b03 · #032b1f

Contrast

#0b032b as textRatioAAAA largeAAAFix
Aaon white
19.77:1passpasspassPasses AAA — no fix needed.
Aaon black
1.06:1failfailfail
  • AA: use #7b5df4 as the text (4.71:1)
  • AAA: use #9e88f7 as the text (7.32:1)
  • AA: or shift the background to #7a7a7a (4.61:1)
  • AAA: or shift the background to #9c9c9c (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b032b 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

#0b032b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0b032b
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 #0b032b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b032b-a99cc4-dfb64e-281f2d-e9ecf1?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