Color

#0f293e

#0f293e
hex#0f293e
rgbrgb(15, 41, 62)
hslhsl(207, 61%, 15%)
oklchoklch(0.272 0.051 245.6)
Closest name: Eternal Darkness (#1c2841)Relative luminance 0.0204

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e240f

#0f3e3b · #0f113e

#3e0f29 · #293e0f

Split-complementary

Open in tool →

#3e0f11 · #3e3b0f

#3b0f3e · #3e240f · #113e0f

Contrast

#0f293e as textRatioAAAA largeAAAFix
Aaon white
14.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #2d7ab9 as the text (4.6:1)
  • AAA: use #579dd6 as the text (7.2:1)
  • AA: or shift the background to #8f8f8f (4.62:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f293e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f293e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f293e
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 #0f293e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f293e-9cadc4-df4e53-1f212d-e9f1f1?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