Color

#2148ab

#2148ab
hex#2148ab
rgbrgb(33, 72, 171)
hslhsl(223, 68%, 40%)
oklchoklch(0.438 0.165 264.3)
Closest name: Denim (#2243b6)Relative luminance 0.079

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab8421

#218dab · #3f21ab

#ab2148 · #48ab21

Split-complementary

Open in tool →

#ab3f21 · #8dab21

#ab218d · #ab8421 · #21ab3f

Contrast

#2148ab as textRatioAAAA largeAAAFix
Aaon white
8.14:1passpasspassPasses AAA — no fix needed.
Aaon black
2.58:1failfailfail
  • AA: use #4771dc as the text (4.66:1)
  • AAA: use #7695e5 as the text (7.2:1)
  • AA: or shift the background to #c2c2c2 (4.57:1)
  • AAA: or shift the background to #f0f0f0 (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2148ab as the background.

Brands using this color

Fonts for this mood

#2148ab reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2148ab
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 #2148ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2148ab-9ca3c4-df704e-211f2d-e9eff1?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