Color

#158be5

#158be5
hex#158be5
rgbrgb(21, 139, 229)
hslhsl(206, 83%, 49%)
oklchoklch(0.623 0.165 248.9)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2428

Colors that go with #158be5

Charcoal, Crimson and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e56f15

#15e5d7 · #1523e5

#e5158b · #8be515

Split-complementary

Open in tool →

#e51523 · #e5d715

#d715e5 · #e56f15 · #23e515

Contrast

#158be5 as textRatioAAAA largeAAAFix
Aaon white
3.59:1failpassfail
  • AA: use #137ac9 as the text (4.51:1)
  • AAA: use #0e5b95 as the text (7.12:1)
  • AA: or shift the background to #1f1f1f (4.6:1)
Aaon black
5.86:1passpassfail
  • AAA: use #329bec as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #158be5 as the background.

Brands using this color

Fonts for this mood

#158be5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #158be5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #158be5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/158be5-9caec4-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