Color

#99a3ff

#99a3ff
hex#99a3ff
rgbrgb(153, 163, 255)
hslhsl(234, 100%, 80%)
oklchoklch(0.745 0.133 277.9)
Closest name: Widowmaker (#99aaff)Relative luminance 0.4019

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fff599

#99d6ff · #c299ff

#ff99a3 · #a3ff99

Split-complementary

Open in tool →

#ffc299 · #d6ff99

#ff99d6 · #fff599 · #99ffc2

Contrast

#99a3ff as textRatioAAAA largeAAAFix
Aaon white
2.32:1failfailfail
  • AA: use #5263ff as the text (4.58:1)
  • AAA: use #1a30ff as the text (7.21:1)
  • AA: or shift the background to #3d3d3d (4.67:1)
  • AAA: or shift the background to #1f1f1f (7.09:1)
Aaon black
9.04:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #99a3ff as the background.

Brands using this color

Fonts for this mood

#99a3ff reads as cool, vivid, light. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #99a3ff
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 #99a3ff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99a3ff-9d9cc4-df8a4e-241f2d-e9eef1?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