Color

#0f1e3e

#0f1e3e
hex#0f1e3e
rgbrgb(15, 30, 62)
hslhsl(221, 61%, 15%)
oklchoklch(0.242 0.065 263.4)
Closest name: Nightwalker (#161d3b)Relative luminance 0.0138

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3e2f0f

#0f353e · #170f3e

#3e0f1e · #1e3e0f

Split-complementary

Open in tool →

#3e170f · #353e0f

#3e0f35 · #3e2f0f · #0f3e17

Contrast

#0f1e3e as textRatioAAAA largeAAAFix
Aaon white
16.46:1passpasspassPasses AAA — no fix needed.
Aaon black
1.28:1failfailfail
  • AA: use #4673d2 as the text (4.64:1)
  • AAA: use #7395dd as the text (7.07:1)
  • AA: or shift the background to #878787 (4.58:1)
  • AAA: or shift the background to #ababab (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f1e3e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f1e3e reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f1e3e
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 #0f1e3e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f1e3e-9ca4c4-df6b4e-211f2d-e9eff1?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