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
#583c62
#583c62
hex
#583c62rgb
rgb(88, 60, 98)hsl
hsl(284, 24%, 31%)oklch
oklch(0.404 0.071 316.9)Closest name: Long Passionate Night (#5b365e)Relative luminance 0.0619
Colors that go with #583c62
Sea Green, Blue and Copper 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.
Sea Green #2e8b57
complementaryshippedSea Green sits directly opposite #583c62 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Dunkin''s brand system and Alaska Airlines's brand system put Blue beside #583c62, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #583c62: 4 real palettes, including Bramble and Dusk, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #583c62 in 8 real palettes, including Codecademy's brand system and Wells Fargo's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #583c62: 6 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 #583c62, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #583c62: 5 real palettes, including Nursery and Macaron, as the supporting colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #583c62: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #583c62
Tints & shades
Harmonies
Contrast
| #583c62 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 9.38:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.24:1 | 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 #583c62 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
mcpConnect your agent — build around #583c62
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 #583c62 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/583c62-bc9fc1-b1cb62-2d1f2b-ebe9f1?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