Bookshop
Open in tool →Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.
Color
#37584e
#37584e
hex
#37584ergb
rgb(55, 88, 78)hsl
hsl(162, 23%, 28%)oklch
oklch(0.432 0.042 173.2)Closest name: Iridescent (#3a5b52)Relative luminance 0.0834
Colors that go with #37584e
Cadet Blue, Copper and Goldenrod 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
shippedCadet Blue is paired with #37584e in 4 real palettes, including Paper & Pine and Alpine, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #37584e in 4 real palettes, including Desert Road and Clay & Linen, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #37584e in 4 real palettes, including Fireside and Mid-Century, as the accent — a combination designers have actually shipped, not a computed rotation.
Powder Blue #b0e0e6
shippedPowder Blue is paired with #37584e in 4 real palettes, including Stone and Nursery, as the accent — a combination designers have actually shipped, not a computed rotation.
Sage Green #9caf88
shippedSage Green is paired with #37584e in 7 real palettes, including Darkroom and Pine & Birch, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Rose Gold #b76e79
complementaryRose Gold sits directly opposite #37584e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Sienna #a0522d
split-complementshippedSienna is a split-complement of #37584e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #37584e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #37584e
Tints & shades
Harmonies
Contrast
| #37584e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.87:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.67:1 | 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 #37584e 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
Fonts for this mood
#37584e reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #37584e
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 #37584e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/37584e-a2beb9-d459b9-1f2b2d-e9f1eb?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