Color

#0c75bb

#0c75bb
hex#0c75bb
rgbrgb(12, 117, 187)
hslhsl(204, 88%, 39%)
oklchoklch(0.546 0.138 246.4)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1639

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb520c

#0cbba9 · #0c1dbb

#bb0c75 · #75bb0c

Split-complementary

Open in tool →

#bb0c1d · #bba90c

#a90cbb · #bb520c · #1dbb0c

Contrast

#0c75bb as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #095a90 as the text (7.3:1)
Aaon black
4.28:1failpassfail
  • AA: use #0d7bc5 as the text (4.66:1)
  • AAA: use #1e9cf1 as the text (7.08:1)
  • AA: or shift the background to #f5f5f5 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0c75bb as the background.

Brands using this color

Fonts for this mood

#0c75bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0c75bb
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 #0c75bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0c75bb-9cafc4-df4e5a-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