Color

#1283fd

#1283fd
hex#1283fd
rgbrgb(18, 131, 253)
hslhsl(211, 98%, 53%)
oklchoklch(0.621 0.204 255.8)
Closest name: Azure (#007fff)Relative luminance 0.2345

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd8b12

#12f9fd · #1612fd

#fd1283 · #83fd12

Split-complementary

Open in tool →

#fd1612 · #f9fd12

#fd12f9 · #fd8b12 · #12fd16

Contrast

#1283fd as textRatioAAAA largeAAAFix
Aaon white
3.69:1failpassfail
  • AA: use #0271e8 as the text (4.64:1)
  • AAA: use #0256b1 as the text (7.07:1)
  • AA: or shift the background to #1c1c1c (4.62:1)
Aaon black
5.69:1passpassfail
  • AAA: use #3a98fd as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1283fd as the background.

Brands using this color

Fonts for this mood

#1283fd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1283fd
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 #1283fd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1283fd-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