Color

#126cb5

#126cb5
hex#126cb5
rgbrgb(18, 108, 181)
hslhsl(207, 82%, 39%)
oklchoklch(0.521 0.139 249.7)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1419

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b55b12

#12b5ad · #121ab5

#b5126c · #6cb512

Split-complementary

Open in tool →

#b5121a · #b5ad12

#ad12b5 · #b55b12 · #1ab512

Contrast

#126cb5 as textRatioAAAA largeAAAFix
Aaon white
5.47:1passpassfail
  • AAA: use #0f5b99 as the text (7.05:1)
Aaon black
3.84:1failpassfail
  • AA: use #1477c8 as the text (4.5:1)
  • AAA: use #3c9dec as the text (7.23:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #126cb5 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

#126cb5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #126cb5
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 #126cb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/126cb5-9cadc4-df4e53-1f212d-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