# #39159e

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

## Values

- Hex: `#39159e`
- RGB: rgb(57, 21, 158)
- HSL: hsl(256, 77%, 35%)
- OKLCH: oklch(0.362 0.196 282.6)
- Relative luminance: 0.0387
- Nearest named color: Depths of Night (#2c319b, Δ 4.632) — https://brandsweets.com/colors/depths-of-night
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/39159e

## Tints & shades

- Tints (toward white): #4318b9, #4e1cd9, #602fe4, #744ae8, #8d6aec, #a185ef, #b6a0f3, #cbbbf6, #e3dbfa, #f8f6fe
- Shades (toward black): #341390, #2f1183, #2a0f75, #260d68, #210c5a, #1a0948, #15083b, #10062d, #0b0420, #070212

## Harmonies

- Complementary: #799e15
- Analogous: #15359e, #7e159e
- Triadic: #9e3915, #159e39
- Split-complementary: #9e7e15, #359e15
- Tetradic: #9e1535, #799e15, #159e7e

## Colors that go with #39159e

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

- **Denim** #1560bd [harmony, pool: analogous] — Denim is #39159e's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Warbyparker (https://brandsweets.com/colors/brands/warbyparker-com), Unilever (https://brandsweets.com/colors/brands/unilever-com), Bank of America (https://brandsweets.com/colors/brands/bankofamerica-com), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/denim
- **Blue** #0000ff [pool] — 4 real palettes, including Procter & Gamble's brand system and Zillow's brand system put Blue beside #39159e, as the supporting colour. Seen in: Procter & Gamble (https://brandsweets.com/colors/brands/pg-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Pfizer (https://brandsweets.com/colors/brands/pfizer-com), CVS (https://brandsweets.com/colors/brands/cvs-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #39159e: 5 real palettes, including Tide's brand system and Zillow's brand system, as the lead colour. Seen in: Tide (https://brandsweets.com/colors/brands/tide-com), Zillow (https://brandsweets.com/colors/brands/zillow-com), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Unilever (https://brandsweets.com/colors/brands/unilever-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #39159e in 7 real palettes, including Pepsi's brand system and Casper Sleep's brand system, as the supporting colour. Seen in: Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #39159e: 4 real palettes, including Datadog's brand system and 3M's brand system, as the accent. Seen in: Datadog (https://brandsweets.com/colors/brands/datadoghq-com), 3M (https://brandsweets.com/colors/brands/3m-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), MLB (https://brandsweets.com/colors/brands/mlb-com). — https://brandsweets.com/colors/firebrick
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #39159e in 6 real palettes, including Discord's brand system and Nivea's brand system, as the lead colour. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com), NHL (https://brandsweets.com/colors/brands/nhl-com). — https://brandsweets.com/colors/royalblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #39159e 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/olive
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #39159e: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.83:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.77:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #825dea (4.7:1); AA: background → #a1a1a1 (4.58:1); AAA: text → #a185ef (7.12:1); AAA: background → #c9c9c9 (7.14:1)

## Brands using this color

- **dbt Labs** — accent #3d189a (Δ 1.124) — https://brandsweets.com/colors/brands/getdbt-com

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- 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/39159e-ab9cc4-dfbf4e-291f2d-e9ebf1?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: "#39159e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.