# #4d138b

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

## Values

- Hex: `#4d138b`
- RGB: rgb(77, 19, 139)
- HSL: hsl(269, 76%, 31%)
- OKLCH: oklch(0.362 0.176 298.4)
- Relative luminance: 0.0391
- Nearest named color: Indigo Static (#4b0183, Δ 2.349) — https://brandsweets.com/colors/indigo-static
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/4d138b

## Tints & shades

- Tints (toward white): #5e17ab, #6d1bc5, #7f23e1, #9143e5, #a362ea, #b37ded, #c59cf2, #d8bcf6, #e7d7f9, #faf6fe
- Shades (toward black): #46117e, #411075, #390e67, #320c5a, #2d0b51, #250943, #1e0736, #160628, #11041f, #0a0212

## Harmonies

- Complementary: #518b13
- Analogous: #13158b, #89138b
- Triadic: #8b4d13, #138b4d
- Split-complementary: #8b8913, #158b13
- Tetradic: #8b1315, #518b13, #138b89

## Colors that go with #4d138b

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 #4d138b'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), Nivea (https://brandsweets.com/colors/brands/nivea-com), Nokia (https://brandsweets.com/colors/brands/nokia-com). — https://brandsweets.com/colors/royalblue
- **Crimson** #dc143c [pool] — Crimson is paired with #4d138b in 5 real palettes, including Casper Sleep's brand system and Wells Fargo's brand system, as the lead colour. Seen in: Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Pepsi (https://brandsweets.com/colors/brands/pepsi-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Visa's brand system and Gillette's brand system put Midnight Blue beside #4d138b, as the supporting colour. Seen in: Visa (https://brandsweets.com/colors/brands/visa-com), Gillette (https://brandsweets.com/colors/brands/gillette-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #4d138b: 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
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #4d138b 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 #4d138b: 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
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #4d138b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/teal
- **Forest Green** #228b22 [harmony: split] — Forest Green is a split-complement of #4d138b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/forestgreen

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

- On white (#ffffff): 11.79:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.78:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9950e7 (4.66:1); AA: background → #a1a1a1 (4.56:1); AAA: text → #b37ded (7.07:1); AAA: background → #c9c9c9 (7.12:1)

## Brands using this color

- **FedEx** — primary #4d148c (Δ 0.219) — https://brandsweets.com/colors/brands/fedex-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/4d138b-b49cc4-cbcb62-2c1f2d-e9e9f1?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: "#4d138b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.