# #903cb4

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

## Values

- Hex: `#903cb4`
- RGB: rgb(144, 60, 180)
- HSL: hsl(282, 50%, 47%)
- OKLCH: oklch(0.523 0.19 314)
- Relative luminance: 0.1246
- Nearest named color: darkorchid (#9932cc, Δ 4.259) — https://brandsweets.com/colors/darkorchid
- Moods: cool, modern
- Page: https://brandsweets.com/colors/903cb4

## Tints & shades

- Tints (toward white): #9d47c2, #a75bc8, #b16ecf, #bc81d5, #c898dd, #d2abe3, #dcbee9, #e7d1f0, #f1e4f6, #fbf7fc
- Shades (toward black): #8437a4, #743091, #682b82, #5c2673, #502163, #401b50, #341641, #281132, #180a1f, #0c050f

## Harmonies

- Complementary: #60b43c
- Analogous: #543cb4, #b43c9c
- Triadic: #b4903c, #3cb490
- Split-complementary: #9cb43c, #3cb454
- Tetradic: #b4543c, #60b43c, #3c9cb4

## Colors that go with #903cb4

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 #903cb4 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #903cb4: 4 real palettes, including Linkedin's brand system and Peacock, as the lead colour. Seen in: Linkedin (https://brandsweets.com/colors/brands/linkedin-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Hasbro (https://brandsweets.com/colors/brands/hasbro-com), Slack (https://brandsweets.com/colors/brands/slack-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #903cb4: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hasbro (https://brandsweets.com/colors/brands/hasbro-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #903cb4 in 3 real palettes, including Gemstone and Wells Fargo's brand system, as the accent. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Marvel (https://brandsweets.com/colors/brands/marvel-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Kraken's brand system and Marvel's brand system put Midnight Blue beside #903cb4, as the lead colour. Seen in: Kraken (https://brandsweets.com/colors/brands/kraken-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #903cb4 in 3 real palettes, including Superhuman's brand system and Datadog's brand system, as the lead colour. Seen in: Superhuman (https://brandsweets.com/colors/brands/superhuman-com), Datadog (https://brandsweets.com/colors/brands/datadoghq-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Teal** #008080 [harmony, pool: triadic] — Teal completes a triad with #903cb4 — 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 #903cb4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olive

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

- On white (#ffffff): 6.02:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #8136a1 (7.06:1)
- On black (#000000): 3.49:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #a353c6 (4.61:1); AA: background → #e0e0e0 (4.56:1); AAA: text → #bc81d5 (7.24:1)

## 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/903cb4-ba9fc1-b4cb62-2d1f2b-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: "#903cb4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.