Color

#157fcb

#157fcb
hex#157fcb
rgbrgb(21, 127, 203)
hslhsl(205, 81%, 44%)
oklchoklch(0.58 0.146 247.1)
Closest name: Haddock’s Sweater (#277aba)Relative luminance 0.1965

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cb6115

#15cbbc · #1524cb

#cb157f · #7fcb15

Split-complementary

Open in tool →

#cb1524 · #cbbc15

#bc15cb · #cb6115 · #24cb15

Contrast

#157fcb as textRatioAAAA largeAAAFix
Aaon white
4.26:1failpassfail
  • AA: use #147ac2 as the text (4.57:1)
  • AAA: use #0f5a8f as the text (7.29:1)
  • AA: or shift the background to #0f0f0f (4.5:1)
Aaon black
4.93:1passpassfail
  • AAA: use #2f9ce9 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #157fcb as the background.

Brands using this color

Fonts for this mood

#157fcb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #157fcb
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 #157fcb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/157fcb-9cafc4-df4e58-1f212d-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