Still Water
Open in tool →Dusty teal and mist with a sand accent — low chroma, low contrast between colours, high contrast for text: the recipe for calm.
Color
#668b93
#668b93
hex
#668b93rgb
rgb(102, 139, 147)hsl
hsl(191, 18%, 49%)oklch
oklch(0.612 0.043 212.5)Closest name: Arctic (#648589)Relative luminance 0.234
Colors that go with #668b93
Charcoal, Copper and Blush Pink 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 #668b93: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #668b93: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blush Pink #e8b4b8
shipped4 real palettes, including Rain Garden and Graphite Mono put Blush Pink beside #668b93, as the accent.
Champagne #f7e7ce
shipped4 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #668b93, as that palette's text colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #668b93: 5 real palettes, including Ink & Paper and Intel's brand system, as the accent.
Crimson #dc143c
shippedCrimson is paired with #668b93 in 7 real palettes, including Retro Pop and Diner, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #668b93: 12 real palettes, including Campus and Peacock, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #668b93 in 5 real palettes, including Ledger Dark and Noir Beauty, as the lead colour.
Real palettes that use #668b93
Tints & shades
Harmonies
Contrast
| #668b93 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.7:1 | fail | pass | fail | |
Aaon black | 5.68:1 | 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 #668b93 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
mcpConnect your agent — build around #668b93
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 #668b93 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/668b93-a2b6be-df4e7a-1f252d-e9f1ef?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