Color
#12829b
#12829brgb(18, 130, 155)hsl(191, 79%, 34%)oklch(0.561 0.097 218.4)Colors that go with #12829b
Charcoal, Crimson and Rust 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 #12829b: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #12829b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Rust #b7410e
complementaryshippedRust sits directly opposite #12829b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #12829b: 6 real palettes, including Glacier and Hershey's's brand system, as the accent.
Copper #b87333
shippedDesigners have shipped Copper with #12829b: 4 real palettes, including Riverbed and Wellness, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #12829b: 14 real palettes, including Discover's brand system and Capital One's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #12829b in 4 real palettes, including Sapphire & Gold and Mid-Century, as the supporting colour.
Midnight Blue #191970
shipped10 real palettes, including Discover's brand system and Fintech Trust put Midnight Blue beside #12829b, as the lead colour.
Real palettes that use #12829b
Tints & shades
Harmonies
Contrast
| #12829b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 4.48:1 | fail | pass | fail | |
Aaon black | 4.69:1 | 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 #12829b 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
#12829b 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 #12829b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/12829b-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