# #503b5e

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

## Values

- Hex: `#503b5e`
- RGB: rgb(80, 59, 94)
- HSL: hsl(276, 23%, 30%)
- OKLCH: oklch(0.39 0.063 311.1)
- Relative luminance: 0.0564
- Nearest named color: Long Passionate Night (#5b365e, Δ 2.367) — https://brandsweets.com/colors/long-passionate-night
- Moods: cool, muted, dark, luxury, bold
- Page: https://brandsweets.com/colors/503b5e

## Tints & shades

- Tints (toward white): #634974, #75568a, #85629d, #9678ab, #a78eb8, #b8a4c6, #c9bad4, #d8cde0, #e9e3ed, #faf9fb
- Shades (toward black): #483555, #43314e, #3b2b45, #35273f, #2d2135, #251b2c, #201826, #18121c, #130e16, #0b080d

## Harmonies

- Complementary: #495e3b
- Analogous: #3e3b5e, #5e3b5b
- Triadic: #5e503b, #3b5e50
- Split-complementary: #5b5e3b, #3b5e3e
- Tetradic: #5e3e3b, #495e3b, #3b5b5e

## Colors that go with #503b5e

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

- **Blue** #0000ff [pool] — 6 real palettes, including Dunkin''s brand system and Alaska Airlines's brand system put Blue beside #503b5e, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Jeep (https://brandsweets.com/colors/brands/jeep-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Nursery and Garden Wedding put Blush Pink beside #503b5e, as the lead colour. Seen in: Nursery (https://brandsweets.com/palettes/light#nursery), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Blush (https://brandsweets.com/palettes/light#blush), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/blush-pink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #503b5e: 4 real palettes, including Dusk and Clean Beauty, as the supporting colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Open House (https://brandsweets.com/palettes/clean#open-house), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #503b5e: 5 real palettes, including Bramble and Notion's brand system, as the supporting colour. Seen in: Bramble (https://brandsweets.com/palettes/muted#bramble), Notion (https://brandsweets.com/colors/brands/notion), Dusk (https://brandsweets.com/palettes/cool#dusk), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #503b5e in 9 real palettes, including Codecademy's brand system and Marvel's brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Marvel (https://brandsweets.com/colors/brands/marvel-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #503b5e: 9 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Starlink (https://brandsweets.com/colors/brands/starlink-com), HP (https://brandsweets.com/colors/brands/hp-com). — https://brandsweets.com/colors/denim
- **White Smoke** #f5f5f5 [role] — White Smoke is the surface for #503b5e: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy. — https://brandsweets.com/colors/whitesmoke
- **Teal** #008080 [harmony, pool: split] — Teal is a split-complement of #503b5e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Gusto (https://brandsweets.com/colors/brands/gusto-com). — https://brandsweets.com/colors/teal

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

- On white (#ffffff): 9.87:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.13:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #8a68a1 (4.58:1); AA: background → #b0b0b0 (4.55:1); AAA: text → #a78eb8 (7.2:1); AAA: background → #dbdbdb (7.13:1)

## Fonts for this mood

- 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/503b5e-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: "#503b5e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.