# #4c187c

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

## Values

- Hex: `#4c187c`
- RGB: rgb(76, 24, 124)
- HSL: hsl(271, 68%, 29%)
- OKLCH: oklch(0.351 0.156 302.3)
- Relative luminance: 0.0365
- Nearest named color: Indigo Static (#4b0183, Δ 2.589) — https://brandsweets.com/colors/indigo-static
- Moods: cool, vivid, dark, technical, modern, luxury, bold
- Page: https://brandsweets.com/colors/4c187c

## Tints & shades

- Tints (toward white): #5e1d9a, #7023b8, #8229d6, #9447dc, #a565e2, #b47ee7, #c69cec, #d7baf2, #e9d8f8, #faf6fd
- Shades (toward black): #461674, #3f1467, #39125e, #321051, #2c0e49, #250b3c, #1f0a33, #170727, #12061e, #0a0311

## Harmonies

- Complementary: #487c18
- Analogous: #19187c, #7c187b
- Triadic: #7c4c18, #187c4c
- Split-complementary: #7b7c18, #187c19
- Tetradic: #7c1918, #487c18, #187b7c

## Colors that go with #4c187c

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

- **Royal Blue** #4169e1 [harmony, pool: analogous] — Royal Blue is #4c187c's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Discord (https://brandsweets.com/colors/brands/discord), Wayfair (https://brandsweets.com/colors/brands/wayfair-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Crimson** #dc143c [pool] — Crimson is paired with #4c187c in 5 real palettes, including Casper Sleep's brand system and Marvel's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lenovo (https://brandsweets.com/colors/brands/lenovo-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #4c187c: 4 real palettes, including FedEx's brand system and Hershey's's brand system, as the accent. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), Hershey's (https://brandsweets.com/colors/brands/hersheys-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Glacier (https://brandsweets.com/palettes/cool#glacier). — https://brandsweets.com/colors/steelblue
- **Tomato** #ff6347 [pool] — 4 real palettes, including FedEx's brand system and dbt Labs's brand system put Tomato beside #4c187c, as the supporting colour. Seen in: FedEx (https://brandsweets.com/colors/brands/fedex-com), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Harley-Davidson (https://brandsweets.com/colors/brands/harley-davidson-com), Golden Hour (https://brandsweets.com/palettes/warm#golden-hour). — https://brandsweets.com/colors/tomato
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #4c187c 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 #4c187c: 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #4c187c: 3 real palettes, including Zillow's brand system and Purina Pro Plan's brand system, as the supporting colour. Seen in: Zillow (https://brandsweets.com/colors/brands/zillow-com), Purina Pro Plan (https://brandsweets.com/colors/brands/chewy-com), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/cobalt
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4c187c: 3 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), Panasonic (https://brandsweets.com/colors/brands/panasonic-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 12.15:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.73:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #994fde (4.53:1); AA: background → #9e9e9e (4.53:1); AAA: text → #b47ee7 (7.08:1); AAA: background → #c7c7c7 (7.18:1)

## 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/4c187c-b59cc4-c7cb62-2c1f2d-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: "#4c187c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.