#ff3366
#ff3366 is rgb(255, 51, 102), or hsl(345, 100%, 60%). The nearest reference Tailwind v4 token is rose-500 (#ff2056), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 3.55:1 | fail | pass | fail |
| black | 5.92:1 | pass | pass | fail |
| slate-900 | 5.03:1 | pass | pass | fail |
| gray-100 | 3.22:1 | fail | pass | fail |
Ratios use WCAG relative luminance for opaque sRGB colors. Normal text requires 4.5:1, or 7:1 at AAA. Large text requires 3:1: at least 24 CSS pixels, or about 18.67 CSS pixels when bold. Pass/fail uses the unrounded ratio. Contrast alone is not a full accessibility assessment.
Colors paired with #ff3366 in real UI palettes
These colors appear alongside #ff3366 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #ffcc00
Used together in Asymmetric Grid, Minimalist Flat.
2.35:1
Not for normal text - #ffffff
Used together in Asymmetric Grid, Minimalist Flat.
3.55:1
Not for normal text - #000000
Used together in Minimalist Flat.
5.92:1
AA normal text - #00d4aa
Used together in Minimalist Flat.
1.86:1
Not for normal text - #00d4ff
Used together in Asymmetric Grid.
2.00:1
Not for normal text - #0f0f0f
Used together in Asymmetric Grid.
5.40:1
AA normal text
A readable starting point
black text on #ff3366: 5.92:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #ff3366.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #ff3366 as the accent color, following the Asymmetric Grid style: rgb(255, 51, 102), nearest Tailwind token rose-500. Keep text contrast at least 4.5:1 (this color scores 3.55:1 on white, 5.92:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #ff3366 with correct contrast constraints. Browse all palette colors.
Questions about #ff3366
What color is #ff3366?
#ff3366 is rgb(255, 51, 102), or hsl(345, 100%, 60%). The nearest reference Tailwind v4 token is rose-500 (#ff2056), not an exact match.
What text color should I use on #ff3366?
Black (#000000) has the higher black-or-white contrast against #ff3366: 5.92:1. This calculation assumes opaque, flat sRGB colors. Normal text requires 4.5:1 and large text 3:1 under WCAG 2.2 SC 1.4.3; it is not a complete accessibility assessment.
How can I use exactly #ff3366 in Tailwind CSS?
Use bg-[#ff3366], text-[#ff3366], or a CSS custom property instead of substituting a nearby named token. The reference palette is Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex; newer Tailwind versions and custom themes can differ.
Sources and calculation limits
Reference palette: Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex. Named tokens are versioned approximations; use the exact hex utilities when matching an existing design. Palette pairings come from the linked StyleKit definitions, not external popularity or preference data.