Color

#2174ab

#2174ab
hex#2174ab
rgbrgb(33, 116, 171)
hslhsl(204, 68%, 40%)
oklchoklch(0.537 0.115 243)
Closest name: Brilliant Blue (#0075b3)Relative luminance 0.1575

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab5821

#21ab9d · #212fab

#ab2174 · #74ab21

Split-complementary

Open in tool →

#ab212f · #ab9d21

#9d21ab · #ab5821 · #2fab21

Contrast

#2174ab as textRatioAAAA largeAAAFix
Aaon white
5.06:1passpassfail
  • AAA: use #1a5d89 as the text (7.07:1)
Aaon black
4.15:1failpassfail
  • AA: use #227ab4 as the text (4.51:1)
  • AAA: use #439edb as the text (7.15:1)
  • AA: or shift the background to #f2f2f2 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2174ab as the background.

Brands using this color

Fonts for this mood

#2174ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2174ab
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 #2174ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2174ab-9cafc4-df4e5a-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