Color

#143ad2

#143ad2
hex#143ad2
rgbrgb(20, 58, 210)
hslhsl(228, 83%, 45%)
oklchoklch(0.447 0.233 265.2)
Closest name: Lapis on Neptune (#1f22d2)Relative luminance 0.0783

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d2ac14

#1499d2 · #4d14d2

#d2143a · #3ad214

Split-complementary

Open in tool →

#d24d14 · #99d214

#d21499 · #d2ac14 · #14d24d

Contrast

#143ad2 as textRatioAAAA largeAAAFix
Aaon white
8.19:1passpasspassPasses AAA — no fix needed.
Aaon black
2.57:1failfailfail
  • AA: use #496aee as the text (4.58:1)
  • AAA: use #7890f2 as the text (7.07:1)
  • AA: or shift the background to #c2c2c2 (4.6:1)
  • AAA: or shift the background to #f0f0f0 (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #143ad2 as the background.

Brands using this color

Fonts for this mood

#143ad2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #143ad2
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 #143ad2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/143ad2-9c9fc4-df7c4e-231f2d-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