Desert Road
Open in tool →Sandstone and sand with a deep teal — the one cool note makes the warm colours look intentional rather than beige.
Color
#3f645c
#3f645c
hex
#3f645crgb
rgb(63, 100, 92)hsl
hsl(167, 23%, 32%)oklch
oklch(0.473 0.044 179.1)Closest name: Ethereal Woods (#3e5e4e)Relative luminance 0.1094
Colors that go with #3f645c
Cadet Blue, Champagne and Copper 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.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #3f645c: 4 real palettes, including Alpine and Open House, as the supporting colour.
Champagne #f7e7ce
shipped5 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #3f645c, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #3f645c: 5 real palettes, including Desert Road and Clay & Linen, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3f645c in 8 real palettes, including Gemstone and Codecademy's brand system, as the accent.
Dark Goldenrod #b8860b
shipped4 real palettes, including Cider and Rolex's brand system put Dark Goldenrod beside #3f645c, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #3f645c: 10 real palettes, including HP's brand system and The New York Times's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #3f645c: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Rose Gold #b76e79
complementaryRose Gold sits directly opposite #3f645c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #3f645c
Tints & shades
Harmonies
Contrast
| #3f645c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.59:1 | pass | pass | fail |
|
Aaon black | 3.19:1 | 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 #3f645c as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #3f645c
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 #3f645c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/3f645c-a2bebb-d459af-1f2a2d-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