Color
#126378
#126378rgb(18, 99, 120)hsl(192, 74%, 27%)oklch(0.464 0.079 220.5)Colors that go with #126378
Crimson, Denim 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.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #126378: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
analogousshippedDenim is #126378's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Rust #b7410e
complementaryshippedRust sits directly opposite #126378 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped7 real palettes, including Activision's brand system and Tesco's brand system put Blue beside #126378, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #126378: 4 real palettes, including Alpine and Open House, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #126378: 5 real palettes, including Fintech Trust and Unilever's brand system, as the lead colour.
Copper #b87333
shippedDesigners have shipped Copper with #126378: 4 real palettes, including Desert Road and Dusk, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #126378: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #126378
Tints & shades
Harmonies
Contrast
| #126378 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.81:1 | pass | pass | fail |
|
Aaon black | 3.08:1 | fail | 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 #126378 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
#126378 reads as cool, vivid, dark. 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 #126378 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/126378-a2b5be-df4e77-1f242d-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