#0f0a1e
#0f0a1e is rgb(15, 10, 30), or hsl(255, 50%, 8%). The nearest reference Tailwind v4 token is slate-950 (#020618), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 19.40:1 | pass | pass | pass |
| black | 1.08:1 | fail | fail | fail |
| slate-900 | 1.09:1 | fail | fail | fail |
| gray-100 | 17.63:1 | pass | pass | pass |
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 #0f0a1e in real UI palettes
These colors appear alongside #0f0a1e in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #22d3ee
Used together in Neon Gradient.
10.73:1
AA normal text - #a3e635
Used together in Neon Gradient.
12.87:1
AA normal text - #a855f7
Used together in Neon Gradient.
4.90:1
AA normal text - #f472b6
Used together in Neon Gradient.
7.32:1
AA normal text - #fb7185
Used together in Neon Gradient.
7.21:1
AA normal text - #fbbf24
Used together in Neon Gradient.
11.62:1
AA normal text
A readable starting point
white text on #0f0a1e: 19.40:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #0f0a1e.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #0f0a1e as the secondary color, following the Neon Gradient style: rgb(15, 10, 30), nearest Tailwind token slate-950. Keep text contrast at least 4.5:1 (this color scores 19.4:1 on white, 1.08:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #0f0a1e with correct contrast constraints. Browse all palette colors.
Questions about #0f0a1e
What color is #0f0a1e?
#0f0a1e is rgb(15, 10, 30), or hsl(255, 50%, 8%). The nearest reference Tailwind v4 token is slate-950 (#020618), not an exact match.
What text color should I use on #0f0a1e?
White (#ffffff) has the higher black-or-white contrast against #0f0a1e: 19.40:1. 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 #0f0a1e in Tailwind CSS?
Use bg-[#0f0a1e], text-[#0f0a1e], 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.