Color
#128ebf
#128ebfrgb(18, 142, 191)hsl(197, 83%, 41%)oklch(0.609 0.121 232.6)Colors that go with #128ebf
Charcoal, Copper and Midnight 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #128ebf: softer than #000 and cool enough to feel like part of the same palette.
Copper #b87333
complementaryshippedCopper sits directly opposite #128ebf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Midnight Blue #191970
shippedMidnight Blue is paired with #128ebf in 4 real palettes, including Plaid's brand system and Tide Pool, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #128ebf in 5 real palettes, including Still Water and Notion's brand system, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #128ebf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #128ebf in 3 real palettes, including Beach Hut and Lemon Squeezy's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #128ebf in 3 real palettes, including Glacier and Fintech Trust, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #128ebf in 3 real palettes, including Peacock and Campus, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #128ebf
Tints & shades
Harmonies
Contrast
| #128ebf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.72:1 | fail | pass | fail | |
Aaon black | 5.65:1 | 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 #128ebf 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
#128ebf 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 #128ebf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/128ebf-9cb4c4-df4e6b-1f232d-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