Color

#12779b

#12779b
hex#12779b
rgbrgb(18, 119, 155)
hslhsl(196, 79%, 34%)
oklchoklch(0.533 0.101 229.1)
Closest name: Bleu Ciel (#007ba1)Relative luminance 0.1569

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b3712

#129b7b · #12329b

#9b1277 · #779b12

Split-complementary

Open in tool →

#9b1232 · #9b7b12

#7b129b · #9b3712 · #329b12

Contrast

#12779b as textRatioAAAA largeAAAFix
Aaon white
5.08:1passpassfail
  • AAA: use #0e5e7b as the text (7.23:1)
Aaon black
4.14:1failpassfail
  • AA: use #137ea4 as the text (4.55:1)
  • AAA: use #19a1d2 as the text (7.07:1)
  • AA: or shift the background to #f2f2f2 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #12779b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#12779b reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #12779b
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 #12779b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12779b-9cb5c4-df4e6e-1f232d-e9f1ef?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