# #6c308d

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

## Values

- Hex: `#6c308d`
- RGB: rgb(108, 48, 141)
- HSL: hsl(279, 49%, 37%)
- OKLCH: oklch(0.435 0.153 311.4)
- Relative luminance: 0.0723
- Nearest named color: rebeccapurple (#663399, Δ 2.362) — https://brandsweets.com/colors/rebeccapurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/6c308d

## Tints & shades

- Tints (toward white): #7e38a3, #8f40ba, #9d54c4, #aa6bcc, #b985d5, #c69cdd, #d3b3e5, #e1caed, #eee1f5, #fbf7fc
- Shades (toward black): #632c81, #582772, #4f2367, #461f5b, #3d1b50, #321641, #291235, #200e2a, #14091b, #0c050f

## Harmonies

- Complementary: #508d30
- Analogous: #3e308d, #8d307f
- Triadic: #8d6c30, #308d6c
- Split-complementary: #7f8d30, #308d3e
- Tetradic: #8d3e30, #508d30, #307f8d

## Colors that go with #6c308d

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

- **Crimson** #dc143c [pool] — Crimson is paired with #6c308d 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6c308d: 4 real palettes, including Slack's brand system and Hinge's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/denim
- **Tomato** #ff6347 [pool] — 4 real palettes, including FedEx's brand system and Golden Hour put Tomato beside #6c308d, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), GitLab (https://brandsweets.com/colors/brands/gitlab), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/tomato
- **Sea Green** #2e8b57 [harmony: complementary] — Sea Green sits directly opposite #6c308d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/seagreen
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #6c308d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com). — https://brandsweets.com/colors/charcoal
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #6c308d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/teal
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #6c308d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Blue Violet** #8a2be2 [pool] — Blue Violet is paired with #6c308d in two real palettes: Taco Bell's brand system and Twitch's brand system, as the supporting colour. Seen in: Taco Bell (https://brandsweets.com/colors/brands/tacobell-com), Twitch (https://brandsweets.com/colors/brands/twitch-tv). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 8.59:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9f58c6 (4.69:1); AA: background → #bdbdbd (4.57:1); AAA: text → #b782d4 (7.16:1); AAA: background → #e8e8e8 (7.01:1)

## Brands using this color

- **Ledger** — secondary #6a3794 (Δ 1.775) — https://brandsweets.com/colors/brands/ledger-com

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/6c308d-b99fc1-b9cb62-2d1f2c-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: "#6c308d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.