Golden Hour
Open in tool →Apricot into coral into plum — a sunset flattened to three tokens, with the plum doubling as the twilight text colour.
Color
#2a172c
#2a172c
hex
#2a172crgb
rgb(42, 23, 44)hsl
hsl(294, 31%, 13%)oklch
oklch(0.24 0.047 323.5)Closest name: Black Cherry (#2c1620)Relative luminance 0.0129
Colors that go with #2a172c
Charcoal, Dark Olive Green and Sea Green 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 for #2a172c: softer than #000 and cool enough to feel like part of the same palette.
Dark Olive Green #556b2f
split-complementshippedDark Olive Green is a split-complement of #2a172c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #2a172c on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Slate Blue #6a5acd
analogousshippedSlate Blue is #2a172c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces.
Teal #008080
split-complementshippedTeal is a split-complement of #2a172c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #2a172c in 18 real palettes, including Google's brand system and Wikipedia's brand system, as the accent.
Blue #0000ff
shipped22 real palettes, including Sketch's brand system and Warp's brand system put Blue beside #2a172c, as the accent.
Blue Violet #8a2be2
shippedBlue Violet is paired with #2a172c in 10 real palettes, including ClickUp's brand system and Yahoo's brand system, as the lead colour.
Real palettes that use #2a172c
Tints & shades
Harmonies
Contrast
| #2a172c as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 16.7:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.26:1 | 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 #2a172c 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
#2a172c reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #2a172c
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 #2a172c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/2a172c-c19fc0-9fcb62-2d1f29-ede9f1?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