Mint Chip
Open in tool →Mint and celadon with a peach accent — fresh without being clinical; the deep green text keeps it grounded.
Color
#183a36
#183a36
hex
#183a36rgb
rgb(24, 58, 54)hsl
hsl(173, 41%, 16%)oklch
oklch(0.322 0.04 185.3)Closest name: Botanical Night (#12403c)Relative luminance 0.0349
Colors that go with #183a36
Rust, Sea Green 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.
Rust #b7410e
split-complementshippedRust is a split-complement of #183a36: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
analogousshippedSea Green is #183a36's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Sienna #a0522d
triadicshippedSienna completes a triad with #183a36 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Teal #008080
analogousshippedTeal is #183a36's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Indian Red #cd5c5c
complementaryshippedIndian Red sits directly opposite #183a36 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #183a36 in 8 real palettes, including McDonald's's brand system and Beach Hut, as the lead colour.
Blue #0000ff
shipped14 real palettes, including Instacart's brand system and Jeep's brand system put Blue beside #183a36, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #183a36: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #183a36
Tints & shades
Harmonies
Contrast
| #183a36 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 12.37:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.7:1 | 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 #183a36 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#183a36 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #183a36
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 #183a36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/183a36-a2bebe-d459a3-1f292d-e9f1ec?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