Color

#0f032b

#0f032b
hex#0f032b
rgbrgb(15, 3, 43)
hslhsl(258, 87%, 9%)
oklchoklch(0.16 0.077 290.1)
Closest name: Mysterious Depths (#060929)Relative luminance 0.0034

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f2b03

#030b2b · #23032b

#2b0f03 · #032b0f

Split-complementary

Open in tool →

#2b2303 · #0b2b03

#2b030b · #1f2b03 · #032b23

Contrast

#0f032b as textRatioAAAA largeAAAFix
Aaon white
19.66:1passpasspassPasses AAA — no fix needed.
Aaon black
1.07:1failfailfail
  • AA: use #8758f3 as the text (4.72:1)
  • AAA: use #a683f6 as the text (7.2:1)
  • AA: or shift the background to #7a7a7a (4.58:1)
  • AAA: or shift the background to #9c9c9c (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f032b 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

#0f032b reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f032b
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 #0f032b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f032b-ad9cc4-dfc44e-291f2d-e9ebf1?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