Color

#158fd5

#158fd5
hex#158fd5
rgbrgb(21, 143, 213)
hslhsl(202, 82%, 46%)
oklchoklch(0.623 0.143 242.1)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2461

Colors that go with #158fd5

Charcoal, Orange Red 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 →

#d55c15

#15d5bc · #152fd5

#d5158f · #8fd515

Split-complementary

Open in tool →

#d5152f · #d5bc15

#bc15d5 · #d55c15 · #2fd515

Contrast

#158fd5 as textRatioAAAA largeAAAFix
Aaon white
3.55:1failpassfail
  • AA: use #127cba as the text (4.55:1)
  • AAA: use #0e5d8b as the text (7.1:1)
  • AA: or shift the background to #212121 (4.54:1)
Aaon black
5.92:1passpassfail
  • AAA: use #1c9de9 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 #158fd5 as the background.

Brands using this color

Fonts for this mood

#158fd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #158fd5
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 #158fd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/158fd5-9cb1c4-df4e5f-1f222d-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