Color

#157bef

#157bef
hex#157bef
rgbrgb(21, 123, 239)
hslhsl(212, 87%, 51%)
oklchoklch(0.595 0.195 256.2)
Closest name: Azure (#007fff)Relative luminance 0.2056

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef8915

#15e8ef · #1d15ef

#ef157b · #7bef15

Split-complementary

Open in tool →

#ef1d15 · #e8ef15

#ef15e8 · #ef8915 · #15ef1d

Contrast

#157bef as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #1073e5 as the text (4.56:1)
  • AAA: use #0c56ac as the text (7.14:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #4a98f2 as the text (7.06:1)

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

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

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

tool url/palettes/new/157bef-9caac4-df564e-1f202d-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