Color

#0f2a48

#0f2a48
hex#0f2a48
rgbrgb(15, 42, 72)
hslhsl(212, 66%, 17%)
oklchoklch(0.281 0.064 253.1)
Closest name: Midnight Ocean (#0f2d4d)Relative luminance 0.0223

Tints & shades

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

Harmonies

Complementary

Open in tool →

#482d0f

#0f4648 · #110f48

#480f29 · #29480f

Split-complementary

Open in tool →

#48110f · #46480f

#480f46 · #482d0f · #0f4811

Contrast

#0f2a48 as textRatioAAAA largeAAAFix
Aaon white
14.53:1passpasspassPasses AAA — no fix needed.
Aaon black
1.45:1failfailfail
  • AA: use #2a75cb as the text (4.51:1)
  • AAA: use #5e9ade as the text (7.15:1)
  • AA: or shift the background to #919191 (4.61:1)
  • AAA: or shift the background to #b5b5b5 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f2a48 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#0f2a48 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f2a48
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 #0f2a48 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f2a48-9caac4-df564e-1f202d-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