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
#778ef3
#778ef3
hex
#778ef3rgb
rgb(119, 142, 243)hsl
hsl(229, 84%, 71%)oklch
oklch(0.675 0.151 272.1)Closest name: cornflowerblue (#6495ed)Relative luminance 0.2974
Colors that go with #778ef3
Charcoal, Medium Sea Green and Amber 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #778ef3: softer than #000 and cool enough to feel like part of the same palette.
Medium Sea Green #3cb371
triadicshippedMedium Sea Green completes a triad with #778ef3 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Amber #ffbf00
shippedAmber is paired with #778ef3 in 7 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 #778ef3, as the accent.
Dark Orange #ff8c00
shippedDark Orange shows up next to #778ef3 in 4 real palettes, including Ahrefs's brand system and Playground, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #778ef3: 7 real palettes, including Blueprint and Figma's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #778ef3: 8 real palettes, including Apple's brand system and Coursera's brand system, as the accent.
Emerald Green #50c878
shippedEmerald Green is paired with #778ef3 in 4 real palettes, including Playground and Obsidian's brand system, as the accent.
Real palettes that use #778ef3
Tints & shades
Harmonies
Contrast
| #778ef3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.02:1 | fail | pass | fail | |
Aaon black | 6.95:1 | 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 #778ef3 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#778ef3 reads as cool, vivid, light. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #778ef3
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 #778ef3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/778ef3-9c9fc4-df7e4e-231f2d-e9eef1?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