Color
#178ca6
#178ca6rgb(23, 140, 166)hsl(191, 76%, 37%)oklch(0.592 0.102 218)Colors that go with #178ca6
Charcoal, Copper and Crimson 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 #178ca6: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
split-complementshippedCopper is a split-complement of #178ca6: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #178ca6: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
shippedDenim is paired with #178ca6 in 4 real palettes, including Peacock and Campus, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #178ca6 in 5 real palettes, including Sapphire & Gold and Ledger Dark, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #178ca6 in 4 real palettes, including Tide Pool and Plaid's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #178ca6 in 14 real palettes, including Still Water and Rain Garden, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Indian Red #cd5c5c
complementaryIndian Red sits directly opposite #178ca6 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #178ca6
Tints & shades
Harmonies
Contrast
| #178ca6 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.93:1 | fail | pass | fail | |
Aaon black | 5.34:1 | 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 #178ca6 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#178ca6 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #178ca6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/178ca6-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