# #75399d

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

## Values

- Hex: `#75399d`
- RGB: rgb(117, 57, 157)
- HSL: hsl(276, 47%, 42%)
- OKLCH: oklch(0.47 0.16 309.2)
- Relative luminance: 0.0914
- Nearest named color: rebeccapurple (#663399, Δ 3.351) — https://brandsweets.com/colors/rebeccapurple
- Moods: cool, modern
- Page: https://brandsweets.com/colors/75399d

## Tints & shades

- Tints (toward white): #8641b4, #924fbf, #a065c8, #ac78ce, #ba8fd6, #c8a5df, #d3b8e5, #e1ceed, #ede1f4, #faf8fc
- Shades (toward black): #6a338e, #5f2e7f, #562a74, #4b2465, #401f56, #351a47, #2a1438, #21102d, #160b1e, #0b050f

## Harmonies

- Complementary: #619d39
- Analogous: #43399d, #9d3993
- Triadic: #9d7539, #399d75
- Split-complementary: #939d39, #399d43
- Tetradic: #9d4339, #619d39, #39939d

## Colors that go with #75399d

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

- **Sea Green** #2e8b57 [harmony, pool: complementary] — Sea Green sits directly opposite #75399d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/seagreen
- **Crimson** #dc143c [pool] — Crimson is paired with #75399d in 4 real palettes, including Wells Fargo's brand system and Gemstone, as the lead colour. Seen in: Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #75399d: 4 real palettes, including Slack's brand system and Linkedin's brand system, as the lead colour. Seen in: Slack (https://brandsweets.com/colors/brands/slack-com), Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #75399d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #75399d in 3 real palettes, including Datadog's brand system and Superhuman's brand system, as that palette's text colour. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #75399d — 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 #75399d: 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 #75399d in two real palettes: Twitch's brand system and Taco Bell's brand system, as the lead colour. Seen in: Twitch (https://brandsweets.com/colors/brands/twitch-tv), Taco Bell (https://brandsweets.com/colors/brands/tacobell-com). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 7.42:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.83:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #995ac4 (4.61:1); AA: background → #cccccc (4.62:1); AAA: text → #b383d2 (7.09:1); AAA: background → #fafafa (7.11:1)

## 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/75399d-b99cc4-bfcb62-2d1f2d-eae9f1?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: "#75399d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.