Color

#1383fb

#1383fb
hex#1383fb
rgbrgb(19, 131, 251)
hslhsl(211, 97%, 53%)
oklchoklch(0.62 0.201 255.6)
Closest name: Azure (#007fff)Relative luminance 0.2334

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb8b13

#13f8fb · #1713fb

#fb1383 · #83fb13

Split-complementary

Open in tool →

#fb1713 · #f8fb13

#fb13f8 · #fb8b13 · #13fb17

Contrast

#1383fb as textRatioAAAA largeAAAFix
Aaon white
3.71:1failpassfail
  • AA: use #0472e7 as the text (4.6:1)
  • AAA: use #0356b0 as the text (7.09:1)
  • AA: or shift the background to #1c1c1c (4.6:1)
Aaon black
5.67:1passpassfail
  • AAA: use #3b98fc as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1383fb as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#1383fb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1383fb
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 #1383fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1383fb-9cabc4-df534e-1f202d-e9f1f1?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