Color

#159cd1

#159cd1
hex#159cd1
rgbrgb(21, 156, 209)
hslhsl(197, 82%, 45%)
oklchoklch(0.652 0.13 232.4)
Closest name: Blue Burst (#309cd0)Relative luminance 0.2854

Colors that go with #159cd1

Charcoal, Orange Red and Amber 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.

Real palettes that use #159cd1

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d14a15

#15d1a8 · #153dd1

#d1159c · #9cd115

Split-complementary

Open in tool →

#d1153d · #d1a815

#a815d1 · #d14a15 · #3dd115

Contrast

#159cd1 as textRatioAAAA largeAAAFix
Aaon white
3.13:1failpassfail
  • AA: use #117ca7 as the text (4.7:1)
  • AAA: use #0c5d7d as the text (7.3:1)
  • AA: or shift the background to #2b2b2b (4.52:1)
Aaon black
6.71:1passpassfail
  • AAA: use #16a2da as the text (7.21:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #159cd1 as the background.

Brands using this color

Fonts for this mood

#159cd1 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #159cd1
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 #159cd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/159cd1-9cb4c4-df4e6b-1f232d-e9f1ef?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