# #451551

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

## Values

- Hex: `#451551`
- RGB: rgb(69, 21, 81)
- HSL: hsl(288, 59%, 20%)
- OKLCH: oklch(0.303 0.112 318.9)
- Relative luminance: 0.024
- Nearest named color: Clairvoyant (#480656, Δ 2.378) — https://brandsweets.com/colors/clairvoyant
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/451551

## Tints & shades

- Tints (toward white): #611d72, #7c2692, #942dae, #ae38cc, #bb59d4, #c979dc, #d69ae5, #e1b6ec, #efd6f5, #fcf7fd
- Shades (toward black): #3e1349, #3b1245, #34103d, #300f39, #290d31, #230a29, #1f0924, #18071c, #150618, #0e0410

## Harmonies

- Complementary: #215115
- Analogous: #271551, #51153f
- Triadic: #514515, #155145
- Split-complementary: #3f5115, #155127
- Tetradic: #512715, #215115, #153f51

## Colors that go with #451551

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

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #451551: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Microsoft (https://brandsweets.com/colors/brands/microsoft-com), Squarespace (https://brandsweets.com/colors/brands/squarespace-com), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 7 real palettes, including Sketch's brand system and Tim Hortons's brand system put Blue beside #451551, as the accent. Seen in: Sketch (https://brandsweets.com/colors/brands/sketch-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #451551: 5 real palettes, including SoFi's brand system and Open House, as the supporting colour. Seen in: SoFi (https://brandsweets.com/colors/brands/sofi-com), Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/cadetblue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #451551: 4 real palettes, including Dusk and Clean Beauty, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #451551: 4 real palettes, including Blue Mono and Blizzard's brand system, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Blizzard (https://brandsweets.com/colors/brands/blizzard-com), Peacock (https://brandsweets.com/colors/brands/peacocktv-com), Retool (https://brandsweets.com/colors/brands/retool-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #451551 in 10 real palettes, including Marvel's brand system and Tim Hortons's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Tim Hortons (https://brandsweets.com/colors/brands/timhortons-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #451551: 16 real palettes, including Discover's brand system and Heinz's brand system, as the supporting colour. Seen in: Discover (https://brandsweets.com/colors/brands/discover-com), Heinz (https://brandsweets.com/colors/brands/heinz-com), Hinge (https://brandsweets.com/colors/brands/hinge-co), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Forest Green** #228b22 [harmony: complementary] — Forest Green sits directly opposite #451551 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/forestgreen

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

- On white (#ffffff): 14.2:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #b240ce (4.52:1); AA: background → #919191 (4.5:1); AAA: text → #c979dc (7.25:1); AAA: background → #b8b8b8 (7.16:1)

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold
- 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/451551-be9fc1-aacb62-2d1f2a-ece9f1?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: "#451551" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.