Bramble
Open in tool →Blackberry and bark with a wheat highlight on a plum-black surface — late-autumn, quiet, slightly gothic.
Color
#21171f
#21171f
hex
#21171frgb
rgb(33, 23, 31)hsl
hsl(312, 18%, 11%)oklch
oklch(0.221 0.022 333.4)Closest name: Night Demons (#201b20)Relative luminance 0.0104
Colors that go with #21171f
Charcoal, Amber and 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black that reads cleanly against #21171f without the hard edge of pure #000.
Amber #ffbf00
shippedAmber is paired with #21171f in 15 real palettes, including Warner Bros.'s brand system and Trailhead, as the accent.
Blue #0000ff
shipped24 real palettes, including Warp's brand system and Signal's brand system put Blue beside #21171f, as the supporting colour.
Blue Violet #8a2be2
shippedBlue Violet is paired with #21171f in 10 real palettes, including Yahoo's brand system and ClickUp's brand system, as the supporting colour.
Blush Pink #e8b4b8
shipped5 real palettes, including Graphite Mono and Estate put Blush Pink beside #21171f, as the accent.
Brown #a52a2a
shipped5 real palettes, including Woodsmoke and State Farm's brand system put Brown beside #21171f, as the accent.
Burlywood #deb887
shippedBurlywood is paired with #21171f in 6 real palettes, including Coffee Bar and Kiln, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #21171f: 9 real palettes, including Diner and Estate, as the supporting colour.
Real palettes that use #21171f
Tints & shades
Harmonies
Contrast
| #21171f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 17.4:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.21:1 | 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 #21171f as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#21171f reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #21171f
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 #21171f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/21171f-c19fb6-80cb62-2d1f24-efe9f1?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