# #683a69

A color — cool, muted. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#683a69`
- RGB: rgb(104, 58, 105)
- HSL: hsl(299, 29%, 32%)
- OKLCH: oklch(0.423 0.094 326.3)
- Relative luminance: 0.0699
- Nearest named color: Plum (#66386a, Δ 0.746) — https://brandsweets.com/colors/plum-2
- Moods: cool, muted
- Page: https://brandsweets.com/colors/683a69

## Tints & shades

- Tints (toward white): #7f4780, #935194, #a761a8, #b275b3, #bf8cc0, #cca3cc, #d7b7d7, #e3cee4, #eee1ef, #fbf8fb
- Shades (toward black): #5f355f, #552f56, #4e2b4f, #452645, #3b213b, #311b31, #271627, #211221, #170d17, #0d070d

## Harmonies

- Complementary: #3b693a
- Analogous: #513a69, #693a52
- Triadic: #69683a, #3a6968
- Split-complementary: #52693a, #3a6951
- Tetradic: #69513a, #3b693a, #3a5269

## Colors that go with #683a69

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #683a69: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #683a69 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #683a69: 5 real palettes, including Hinge's brand system and HP's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), HP (https://brandsweets.com/colors/brands/hp-com), Slack (https://brandsweets.com/colors/brands/slack-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/denim
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #683a69: 4 real palettes, including Nursery and First Snow, as the supporting colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), First Snow (https://brandsweets.com/palettes/cool#first-snow), Macaron (https://brandsweets.com/palettes/light#macaron), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #683a69 in 6 real palettes, including Console Light and Stripe's brand system, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github), Zoom (https://brandsweets.com/colors/brands/zoom-us). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #683a69 in 7 real palettes, including Blush and Sepia Mono, as that palette's text colour. Seen in: Blush (https://brandsweets.com/palettes/light#blush), Sepia Mono (https://brandsweets.com/palettes/warm#sepia-mono), Dusk (https://brandsweets.com/palettes/cool#dusk), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #683a69: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/teal
- **Crimson** #dc143c [pool] — Crimson is paired with #683a69 in 3 real palettes, including Lenovo's brand system and Wells Fargo's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/crimson

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 8.76:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.4:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #a35ba4 (4.59:1); AA: background → #bababa (4.51:1); AAA: text → #bb85bc (7.19:1); AAA: background → #e6e6e6 (7.02:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/683a69-c19fbd-96cb62-2d1f27-ede9f1?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#683a69" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.