Color
#18536d
#18536drgb(24, 83, 109)hsl(198, 64%, 26%)oklch(0.417 0.073 231.6)Colors that go with #18536d
Crimson, Royal Blue and Cadet Blue 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 #18536d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Royal Blue #4169e1
analogousshippedRoyal Blue is #18536d's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #18536d: 4 real palettes, including Open House and Dusk, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #18536d: 9 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #18536d in 4 real palettes, including Fireside and Open House, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #18536d in 4 real palettes, including Mint Modern and Console Light, as the lead colour.
Midnight Blue #191970
shipped10 real palettes, including First Snow and Microsoft's brand system put Midnight Blue beside #18536d, as that palette's text colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #18536d: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #18536d
Tints & shades
Harmonies
Contrast
| #18536d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 8.41:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.5:1 | 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 #18536d 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
#18536d 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 #18536d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/18536d-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