Color

#172efd

#172efd
hex#172efd
rgbrgb(23, 46, 253)
hslhsl(234, 98%, 54%)
oklchoklch(0.48 0.29 265.8)
Closest name: C64 Blue (#003aff)Relative luminance 0.0923

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fde617

#17a1fd · #7317fd

#fd172e · #2efd17

Split-complementary

Open in tool →

#fd7317 · #a1fd17

#fd17a1 · #fde617 · #17fd73

Contrast

#172efd as textRatioAAAA largeAAAFix
Aaon white
7.38:1passpasspassPasses AAA — no fix needed.
Aaon black
2.85:1failfailfail
  • AA: use #5364fd as the text (4.61:1)
  • AAA: use #818dfe as the text (7.17:1)
  • AA: or shift the background to #cccccc (4.6:1)
  • AAA: or shift the background to #fafafa (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #172efd as the background.

Brands using this color

Fonts for this mood

#172efd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #172efd
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 #172efd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/172efd-9d9cc4-df8a4e-241f2d-e9eef1?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