Color

#0f5d8a

#0f5d8a
hex#0f5d8a
rgbrgb(15, 93, 138)
hslhsl(202, 80%, 30%)
oklchoklch(0.458 0.101 241.2)
Closest name: Blue Velvet (#0d6183)Relative luminance 0.0977

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8a3c0f

#0f8a79 · #0f208a

#8a0f5d · #5d8a0f

Split-complementary

Open in tool →

#8a0f20 · #8a790f

#790f8a · #8a3c0f · #208a0f

Contrast

#0f5d8a as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #147cb8 as the text (4.6:1)
  • AAA: use #1e9de6 as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0f5d8a 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

#0f5d8a reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0f5d8a
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 #0f5d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0f5d8a-9cb1c4-df4e5f-1f222d-e9f1f0?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