# #313f04

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

## Values

- Hex: `#313f04`
- RGB: rgb(49, 63, 4)
- HSL: hsl(74, 88%, 13%)
- OKLCH: oklch(0.343 0.081 123)
- Relative luminance: 0.0422
- Nearest named color: Dark Olive (#373e02, Δ 0.938) — https://brandsweets.com/colors/dark-olive
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/313f04

## Tints & shades

- Tints (toward white): #526907, #709009, #92bb0c, #b0e10e, #c3f22c, #cef452, #daf77e, #e5f9a4, #f1fccf, #fcfef5
- Shades (toward black): #2d3a04, #293503, #253003, #222b03, #222b03, #1e2602, #1a2202, #161d02, #131802, #0f1301

## Harmonies

- Complementary: #12043e
- Analogous: #3e2f04, #143e04
- Triadic: #04313e, #3e0431
- Split-complementary: #04143e, #2f043e
- Tetradic: #043e2f, #12043e, #3e0414

## Colors that go with #313f04

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

- **Royal Blue** #4169e1 [harmony, pool: split] — Royal Blue is a split-complement of #313f04: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Headspace (https://brandsweets.com/colors/brands/headspace-com), Docker (https://brandsweets.com/colors/brands/docker-com), Rotten Tomatoes (https://brandsweets.com/colors/brands/rottentomatoes-com), Loom (https://brandsweets.com/colors/brands/loom-com). — https://brandsweets.com/colors/royalblue
- **Blue** #0000ff [pool] — 8 real palettes, including Instacart's brand system and Dunkin''s brand system put Blue beside #313f04, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-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 Garden Wedding and Rain Garden put Blush Pink beside #313f04, as the supporting colour. Seen in: Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Nursery (https://brandsweets.com/palettes/light#nursery), Blush (https://brandsweets.com/palettes/light#blush). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #313f04: 7 real palettes, including Notion's brand system and Bakery. Seen in: Notion (https://brandsweets.com/colors/brands/notion), Bakery (https://brandsweets.com/palettes/warm#bakery), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #313f04 in 10 real palettes, including Dunkin''s brand system and MAC Cosmetics's brand system, as the accent. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), MAC Cosmetics (https://brandsweets.com/colors/brands/maccosmetics-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), New Balance (https://brandsweets.com/colors/brands/newbalance-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #313f04 in 8 real palettes, including Olive Grove and Undergrowth, as the lead colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #313f04: 4 real palettes, including McDonald's's brand system and YouTube's brand system, as the accent. Seen in: McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com), YouTube (https://brandsweets.com/colors/brands/youtube-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Amazon (https://brandsweets.com/colors/brands/amazon-com). — https://brandsweets.com/colors/denim
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #313f04: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 11.39:1 — AA pass, AA-large pass, AAA pass
- On black (#000000): 1.84:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #658108 (4.7:1); AA: background → #a3a3a3 (4.52:1); AAA: text → #7fa30a (7.15:1); AAA: background → #cccccc (7.09:1)

## 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/313f04-b4bea2-4e72df-242d1f-f1efe9?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: "#313f04" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.