Color
#105b84
#105b84rgb(16, 91, 132)hsl(201, 78%, 29%)oklch(0.449 0.095 239.5)Colors that go with #105b84
Crimson, Royal Blue and Sienna 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 #105b84: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Royal Blue #4169e1
analogousshippedRoyal Blue is #105b84's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #105b84 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 Tesco's brand system and CVS's brand system put Blue beside #105b84, as the supporting colour.
Firebrick #b22222
shippedDesigners have shipped Firebrick with #105b84: 6 real palettes, including Wendy's's brand system and Fireside, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #105b84 in 5 real palettes, including Open House and Sapphire & Gold, as the accent.
Midnight Blue #191970
shipped17 real palettes, including FIFA's brand system and Open House put Midnight Blue beside #105b84, as the lead colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #105b84: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #105b84
Tints & shades
Harmonies
Contrast
| #105b84 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.36:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.85:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #105b84 as the background.
Brands using this color
Fonts for this mood
#105b84 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 #105b84 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/105b84-9cb1c4-df4e62-1f222d-e9f1f0?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