# #451a61

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

## Values

- Hex: `#451a61`
- RGB: rgb(69, 26, 97)
- HSL: hsl(276, 58%, 24%)
- OKLCH: oklch(0.321 0.122 308.8)
- Relative luminance: 0.0287
- Nearest named color: Fading Horizon (#442266, Δ 1.861) — https://brandsweets.com/colors/fading-horizon
- Moods: cool, dark, luxury, bold, modern
- Page: https://brandsweets.com/colors/451a61

## Tints & shades

- Tints (toward white): #58217d, #6f2a9d, #8331b9, #9746ce, #a762d5, #b77edd, #c99ee5, #d9bbed, #ebdbf5, #faf7fd
- Shades (toward black): #3f1859, #391551, #331349, #2e1140, #280f38, #220d30, #1c0b28, #170920, #110618, #0b0410

## Harmonies

- Complementary: #36611a
- Analogous: #211a61, #611a5a
- Triadic: #61441a, #1a6144
- Split-complementary: #5a611a, #1a6121
- Tetradic: #61211a, #36611a, #1a5a61

## Colors that go with #451a61

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 #451a61: softer than #000 and cool enough to feel like part of the same palette. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), dbt Labs (https://brandsweets.com/colors/brands/getdbt-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Microsoft (https://brandsweets.com/colors/brands/microsoft-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #451a61 in 6 real palettes, including Marvel's brand system and Casper Sleep's brand system, as the accent. Seen in: Marvel (https://brandsweets.com/colors/brands/marvel-com), Casper Sleep (https://brandsweets.com/colors/brands/casper-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Nintendo (https://brandsweets.com/colors/brands/nintendo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #451a61: 10 real palettes, including Hinge's brand system and Discover's brand system, as the accent. Seen in: Hinge (https://brandsweets.com/colors/brands/hinge-co), Discover (https://brandsweets.com/colors/brands/discover-com), Panasonic (https://brandsweets.com/colors/brands/panasonic-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #451a61 in 4 real palettes, including Audi's brand system and Tumblr's brand system, as the accent. Seen in: Audi (https://brandsweets.com/colors/brands/audi-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Monzo (https://brandsweets.com/colors/brands/monzo-com), Tide (https://brandsweets.com/colors/brands/tide-com). — https://brandsweets.com/colors/orangered
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #451a61: 5 real palettes, including Frost & Ember and Macaron, as the supporting colour. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Macaron (https://brandsweets.com/palettes/light#macaron), Sorbet (https://brandsweets.com/palettes/light#sorbet), Opera (https://brandsweets.com/colors/brands/opera-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #451a61 in 5 real palettes, including Confluent's brand system and Discord's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Discord (https://brandsweets.com/colors/brands/discord), Docker (https://brandsweets.com/colors/brands/docker-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Sky Blue** #87ceeb [pool] — Sky Blue is paired with #451a61 in 4 real palettes, including Harbour and Dusty Blue, as the supporting colour. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/skyblue
- **Olive Green** #808000 [harmony: complementary] — Olive Green sits directly opposite #451a61 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

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

- On white (#ffffff): 13.35:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.57:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #9e52d1 (4.58:1); AA: background → #969696 (4.51:1); AAA: text → #b77edd (7.04:1); AAA: background → #bdbdbd (7.1:1)

## 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/451a61-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: "#451a61" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.