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
#583c55
#583c55
hex
#583c55rgb
rgb(88, 60, 85)hsl
hsl(306, 19%, 29%)oklch
oklch(0.397 0.055 330.3)Closest name: Eggplant (#614051)Relative luminance 0.0596
Colors that go with #583c55
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 #583c55: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #583c55 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped6 real palettes, including Dunkin''s brand system and Jeep's brand system put Blue beside #583c55, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #583c55: 6 real palettes, including Bramble and Notion's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #583c55 in 10 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #583c55: 6 real palettes, including Hinge's brand system and HP's brand system, as the accent.
Hunter Green #355e3b
shippedHunter Green is paired with #583c55 in 4 real palettes, including Bookshop and Pine & Birch, as the accent.
Cream #fffdd0
neutralCream is the surface #583c55 wants: a warm off-white that shares its undertone, so #583c55 reads softer on it than on pure white.
Real palettes that use #583c55
Tints & shades
Harmonies
Contrast
| #583c55 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 #583c55 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
#583c55 reads as warm, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #583c55
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 #583c55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/583c55-c19fb9-8acb62-2d1f26-eee9f1?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