Color

#170ff0

#170ff0
hex#170ff0
rgbrgb(23, 15, 240)
hslhsl(242, 88%, 50%)
oklchoklch(0.441 0.292 266.2)
Closest name: Burning Ultrablue (#150aec)Relative luminance 0.0682

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e8f00f

#0f78f0 · #870ff0

#f0170f · #0ff017

Split-complementary

Open in tool →

#f0870f · #78f00f

#f00f78 · #e8f00f · #0ff087

Contrast

#170ff0 as textRatioAAAA largeAAAFix
Aaon white
8.89:1passpasspassPasses AAA — no fix needed.
Aaon black
2.36:1failfailfail
  • AA: use #6661f5 as the text (4.59:1)
  • AAA: use #908cf8 as the text (7.29:1)
  • AA: or shift the background to #bababa (4.58:1)
  • AAA: or shift the background to #e6e6e6 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #170ff0 as the background.

Brands using this color

Fonts for this mood

#170ff0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #170ff0
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 #170ff0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/170ff0-a29cc4-df9e4e-261f2d-e9edf1?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