# #455259

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

## Values

- Hex: `#455259`
- RGB: rgb(69, 82, 89)
- HSL: hsl(201, 13%, 31%)
- OKLCH: oklch(0.43 0.02 231.4)
- Relative luminance: 0.0802
- Nearest named color: All Nighter (#455454, Δ 1.214) — https://brandsweets.com/colors/all-nighter
- Moods: cool, muted
- Page: https://brandsweets.com/colors/455259

## Tints & shades

- Tints (toward white): #54656d, #62757f, #728792, #8698a2, #9aa9b1, #abb8bf, #c0c9ce, #d4dade, #e5e9eb, #f9fafb
- Shades (toward black): #3e4a51, #3a454b, #333d42, #2c353a, #283034, #21282b, #1b2023, #14181a, #101314, #090b0c

## Harmonies

- Complementary: #594c45
- Analogous: #455956, #454859
- Triadic: #594552, #525945
- Split-complementary: #594548, #595645
- Tetradic: #564559, #594c45, #485945

## Colors that go with #455259

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 Jeep's brand system and Alaska Airlines's brand system put Blue beside #455259, as the accent. Seen in: Jeep (https://brandsweets.com/colors/brands/jeep-com), Alaska Airlines (https://brandsweets.com/colors/brands/alaskaair-com), Rolex (https://brandsweets.com/colors/brands/rolex-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #455259: 4 real palettes, including Paper & Pine and Dusk, as the supporting colour. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #455259, as the surface under it. Seen in: Darkroom (https://brandsweets.com/palettes/muted#darkroom), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Bramble (https://brandsweets.com/palettes/muted#bramble). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #455259: 5 real palettes, including Desert Road and Dusk, as the lead colour. Seen in: Desert Road (https://brandsweets.com/palettes/warm#desert-road), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Notion (https://brandsweets.com/colors/brands/notion). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #455259 in 4 real palettes, including Codecademy's brand system and Dunkin''s brand system, as the accent. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), Gemstone (https://brandsweets.com/palettes/vivid#gemstone), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #455259: 7 real palettes, including HP's brand system and Hinge's brand system, as the accent. Seen in: HP (https://brandsweets.com/colors/brands/hp-com), 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). — https://brandsweets.com/colors/denim
- **Emerald Green** #50c878 [pool] — Emerald Green is paired with #455259 in 4 real palettes, including Neon's brand system and Docker's brand system, as the lead colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Docker (https://brandsweets.com/colors/brands/docker-com), Chime (https://brandsweets.com/colors/brands/chime-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/emerald-green
- **White Smoke** #f5f5f5 [role] — White Smoke is the near-white surface #455259 was made for — maximum legibility with no colour cast to argue with. — https://brandsweets.com/colors/whitesmoke

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

- On white (#ffffff): 8.06:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 2.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #647782 (4.5:1); AA: background → #c2c2c2 (4.53:1); AAA: text → #8698a2 (7.03:1); AAA: background → #f0f0f0 (7.08:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/455259-9cb1c4-df4e62-1f222d-e9f1f0?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: "#455259" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.