Color

#0f2757

#0f2757
hex#0f2757
rgbrgb(15, 39, 87)
hslhsl(220, 71%, 20%)
oklchoklch(0.285 0.092 262.3)
Closest name: Dark Soul (#112255)Relative luminance 0.0224

Tints & shades

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

Harmonies

Complementary

Open in tool →

#573f0f

#0f4b57 · #1b0f57

#570f27 · #27570f

Split-complementary

Open in tool →

#571b0f · #4b570f

#570f4b · #573f0f · #0f571b

Contrast

#0f2757 as textRatioAAAA largeAAAFix
Aaon white
14.5:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #3b71de as the text (4.6:1)
  • AAA: use #6b94e6 as the text (7:1)
  • AA: or shift the background to #919191 (4.6:1)
  • AAA: or shift the background to #b5b5b5 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f2757 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

#0f2757 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f2757
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 #0f2757 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f2757-9ca5c4-df694e-211f2d-e9f0f1?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