# #683f7d

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

## Values

- Hex: `#683f7d`
- RGB: rgb(104, 63, 125)
- HSL: hsl(280, 33%, 37%)
- OKLCH: oklch(0.443 0.108 313.2)
- Relative luminance: 0.0798
- Nearest named color: Lords of the Night (#664488, Δ 2.015) — https://brandsweets.com/colors/lords-of-the-night
- Moods: cool, muted
- Page: https://brandsweets.com/colors/683f7d

## Tints & shades

- Tints (toward white): #7a4992, #8b54a6, #9966b2, #a67bbc, #b692c8, #c4a7d3, #d2bbdd, #dfd0e7, #ede4f1, #faf8fc
- Shades (toward black): #603a73, #553366, #4c2e5c, #442951, #3b2447, #301d3a, #28182f, #1f1325, #140c18, #0b070e

## Harmonies

- Complementary: #547d3f
- Analogous: #4a3f7d, #7d3f73
- Triadic: #7d693f, #3f7d69
- Split-complementary: #737d3f, #3f7d4a
- Tetradic: #7d4a3f, #547d3f, #3f737d

## Colors that go with #683f7d

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 #683f7d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Harbour (https://brandsweets.com/palettes/cool#harbour), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #683f7d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #683f7d in 4 real palettes, including Wells Fargo's brand system and Lenovo's brand system, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 4 real palettes, including First Snow and Lufthansa's brand system put Midnight Blue beside #683f7d, as that palette's text colour. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Lufthansa (https://brandsweets.com/colors/brands/lufthansa-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), FIFA (https://brandsweets.com/colors/brands/fifa-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #683f7d in 5 real palettes, including Wayfair's brand system and Console Light, as the supporting colour. Seen in: Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Console Light (https://brandsweets.com/palettes/technical#console-light), Stripe (https://brandsweets.com/colors/brands/stripe), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #683f7d in 6 real palettes, including Datadog's brand system and Dusk, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/taupe
- **Denim** #1560bd [pool] — Designers have shipped Denim with #683f7d: 3 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). — https://brandsweets.com/colors/denim
- **Tomato** #ff6347 [pool] — 3 real palettes, including Golden Hour and Harley-Davidson's brand system put Tomato beside #683f7d, as the supporting colour. Seen in: Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), FedEx (https://brandsweets.com/colors/brands/fedex-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 8.09:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9460af (4.55:1); AA: background → #c2c2c2 (4.54:1); AAA: text → #b088c3 (7.16:1); AAA: background → #f0f0f0 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/683f7d-b99fc1-b8cb62-2d1f2c-ebe9f1?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: "#683f7d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.