Alpine
Open in tool →Glacier blue with a safety-orange accent: technical outdoor gear, not lifestyle.
Color
#10252e
#10252e
hex
#10252ergb
rgb(16, 37, 46)hsl
hsl(198, 48%, 12%)oklch
oklch(0.251 0.032 227.9)Closest name: Sunken Ship (#10252a)Relative luminance 0.0163
Colors that go with #10252e
Charcoal, Rust 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #10252e: softer than #000 and cool enough to feel like part of the same palette.
Rust #b7410e
split-complementshippedRust is a split-complement of #10252e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sienna #a0522d
complementaryshippedSienna sits directly opposite #10252e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Steel Blue #4682b4
analogousshippedSteel Blue is #10252e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
analogousshippedTeal is #10252e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Amber #ffbf00
shippedAmber is paired with #10252e in 18 real palettes, including Beach Hut and Wikipedia's brand system, as the supporting colour.
Blue #0000ff
shipped24 real palettes, including Monzo's brand system and Rolex's brand system put Blue beside #10252e, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #10252e in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Real palettes that use #10252e
Tints & shades
Harmonies
Contrast
| #10252e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 15.84:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.33:1 | 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 #10252e as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#10252e reads as cool, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #10252e
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #10252e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/10252e-9cb3c4-df4e69-1f232d-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