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
#573c58
#573c58
hex
#573c58rgb
rgb(87, 60, 88)hsl
hsl(298, 19%, 29%)oklch
oklch(0.398 0.058 325.4)Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0596
Colors that go with #573c58
Teal, Sea Green 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.
Teal #008080
split-complementshippedTeal is a split-complement of #573c58: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #573c58 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped5 real palettes, including Dunkin''s brand system and Jeep's brand system put Blue beside #573c58, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #573c58: 5 real palettes, including Bramble and Notion's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #573c58 in 8 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #573c58: 7 real palettes, including Hinge's brand system and HP's brand system, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Microsoft's brand system and First Snow put Midnight Blue beside #573c58, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #573c58: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #573c58
Tints & shades
Harmonies
Contrast
| #573c58 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.58:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.19:1 | 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 #573c58 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
#573c58 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #573c58
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 #573c58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/573c58-c19fbe-98cb62-2d1f28-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