Color

#0d4bbf

#0d4bbf
hex#0d4bbf
rgbrgb(13, 75, 191)
hslhsl(219, 87%, 40%)
oklchoklch(0.456 0.192 261.8)
Closest name: Denim (#2243b6)Relative luminance 0.0888

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf810d

#0da4bf · #280dbf

#bf0d4b · #4bbf0d

Split-complementary

Open in tool →

#bf280d · #a4bf0d

#bf0da4 · #bf810d · #0dbf28

Contrast

#0d4bbf as textRatioAAAA largeAAAFix
Aaon white
7.57:1passpasspassPasses AAA — no fix needed.
Aaon black
2.78:1failfailfail
  • AA: use #286ef0 as the text (4.58:1)
  • AAA: use #6295f4 as the text (7.12:1)
  • AA: or shift the background to #c9c9c9 (4.57:1)
  • AAA: or shift the background to #f7f7f7 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d4bbf 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

#0d4bbf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d4bbf
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 #0d4bbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d4bbf-9ca5c4-df664e-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