Blueprint
Open in tool →Cyan and indigo on navy is the developer-tool look; amber is the only warm note, so it always reads as 'attention'.
Color
#8389fb
#8389fb
hex
#8389fbrgb
rgb(131, 137, 251)hsl
hsl(237, 94%, 75%)oklch
oklch(0.678 0.166 278.7)Closest name: Orchid (#7a81ff)Relative luminance 0.2968
Colors that go with #8389fb
Amber, Blue and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Amber #ffbf00
shippedAmber is paired with #8389fb in 6 real palettes, including Blueprint and Mastodon hosted on mastodon.social's brand system, as the accent.
Blue #0000ff
shipped8 real palettes, including Qualcomm's brand system and Canva's brand system put Blue beside #8389fb, as the accent.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #8389fb: 7 real palettes, including Blueprint and Figma's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #8389fb: 5 real palettes, including Apple's brand system and Coursera's brand system, as the accent.
Medium Sea Green #3cb371
split-complementshippedMedium Sea Green is a split-complement of #8389fb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Midnight Blue #191970
shipped7 real palettes, including Blue Mono and Lavender Haze put Midnight Blue beside #8389fb, as the text colour against it.
Orange Red #ff4500
shippedOrange Red is paired with #8389fb in 7 real palettes, including Google's brand system and Figma's brand system, as the supporting colour.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #8389fb: softer than #000 and cool enough to feel like part of the same palette.
Real palettes that use #8389fb
Tints & shades
Harmonies
Contrast
| #8389fb as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.03:1 | fail | pass | fail | |
Aaon black | 6.94:1 | pass | pass | fail |
|
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8389fb as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#8389fb reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #8389fb
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #8389fb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/8389fb-9f9cc4-df924e-251f2d-e9edf1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md