brandsweets

Color

#0b78cb

#0b78cb
hex#0b78cb
rgbrgb(11, 120, 203)
hslhsl(206, 90%, 42%)
oklchoklch(0.563 0.154 249.7)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1782
CoolVividTechnicalModern
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
0b78cbcb5e0b

#cb5e0b

Analogous

Open in tool →
0b78cb0bcbbf0b18cb

#0bcbbf · #0b18cb

Triadic

Open in tool →
0b78cbcb0b7878cb0b

#cb0b78 · #78cb0b

Split-complementary

Open in tool →
0b78cbcb0b18cbbf0b

#cb0b18 · #cbbf0b

Tetradic

Open in tool →
0b78cbbf0bcbcb5e0b18cb0b

#bf0bcb · #cb5e0b · #18cb0b

Contrast

#0b78cb as textRatioAAAA largeAAAFix
Aaon white
4.6:1passpassfail
  • AAA: use #085b9b as the text (7.05:1)
Aaon black
4.56:1passpassfail
  • AAA: use #259af4 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0b78cb as the background.

Brands using this color

Fonts for this mood

#0b78cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

Technical fonts →Modern fonts →
mcpConnect your agent — build around #0b78cb
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 #0b78cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0b78cb-9caec4-df4e56-1f212d-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