# #4d0571

A color — cool, vivid, dark, technical, modern, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#4d0571`
- RGB: rgb(77, 5, 113)
- HSL: hsl(280, 92%, 23%)
- OKLCH: oklch(0.328 0.161 309.2)
- Relative luminance: 0.0288
- Nearest named color: indigo (#4b0082, Δ 3.056) — https://brandsweets.com/colors/indigo
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/4d0571

## Tints & shades

- Tints (toward white): #670698, #7f08ba, #9909e1, #ac19f5, #ba40f7, #c662f8, #d589fa, #e1acfc, #efd3fd, #fbf5ff
- Shades (toward black): #460467, #3f045d, #390353, #320349, #2f0345, #28023b, #210231, #1b0227, #14011d, #0d0114

## Harmonies

- Complementary: #297105
- Analogous: #170571, #71055f
- Triadic: #714d05, #05714d
- Split-complementary: #5f7105, #057117
- Tetradic: #711705, #297105, #055f71

## Colors that go with #4d0571

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

- **Tomato** #ff6347 [pool] — 4 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #4d0571, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com). — https://brandsweets.com/colors/tomato
- **Olive Drab** #6b8e23 [harmony: complementary] — Olive Drab sits directly opposite #4d0571 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/olivedrab
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #4d0571: softer than #000 and cool enough to feel like part of the same palette. Seen in: dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #4d0571 in 3 real palettes, including Lenovo's brand system and Casper Sleep's brand system, as the supporting colour. Seen in: Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Sea Green** #2e8b57 [harmony: split] — Sea Green is a split-complement of #4d0571: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/seagreen
- **Olive Green** #808000 [harmony: split] — Olive Green is a split-complement of #4d0571: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4d0571: two real palettes: Hinge's brand system and Slack's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Mauve** #e0b0ff [pool] — Mauve shows up next to #4d0571 in two real palettes: Lavender Haze and Ledger's brand system, as the supporting colour. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Ledger (https://brandsweets.com/colors/brands/ledger-com). — https://brandsweets.com/colors/mauve

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

- On white (#ffffff): 13.33:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.58:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b128f6 (4.5:1); AA: background → #969696 (4.51:1); AAA: text → #ca6cf9 (7.02:1); AAA: background → #bdbdbd (7.09:1)

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4d0571-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: "#4d0571" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.