Color

#0d43bf

#0d43bf
hex#0d43bf
rgbrgb(13, 67, 191)
hslhsl(222, 87%, 40%)
oklchoklch(0.441 0.201 263.1)
Closest name: Denim (#2243b6)Relative luminance 0.0786

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf890d

#0d9bbf · #310dbf

#bf0d43 · #43bf0d

Split-complementary

Open in tool →

#bf310d · #9bbf0d

#bf0d9b · #bf890d · #0dbf31

Contrast

#0d43bf as textRatioAAAA largeAAAFix
Aaon white
8.16:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #326bf1 as the text (4.51:1)
  • AAA: use #6b94f5 as the text (7.18:1)
  • AA: or shift the background to #c2c2c2 (4.58:1)
  • AAA: or shift the background to #f0f0f0 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0d43bf 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

#0d43bf reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0d43bf
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 #0d43bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0d43bf-9ca3c4-df6e4e-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