#0f1419
#0f1419 is rgb(15, 20, 25), or hsl(210, 25%, 8%). The nearest reference Tailwind v4 token is neutral-900 (#171717), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 18.51:1 | pass | pass | pass |
| black | 1.13:1 | fail | fail | fail |
| slate-900 | 1.04:1 | fail | fail | fail |
| gray-100 | 16.82:1 | 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 #0f1419 in real UI palettes
These colors appear alongside #0f1419 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #0a0e1a
Used together in Particle System.
1.04:1
Not for normal text - #64c8ff
Used together in Particle System.
9.91:1
AA normal text - #64ffc8
Used together in Particle System.
14.70:1
AA normal text - #a78bfa
Used together in Particle System.
6.80:1
AA normal text - #e0e8ff
Used together in Particle System.
15.12:1
AA normal text
A readable starting point
white text on #0f1419: 18.51:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #0f1419.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #0f1419 as the secondary color, following the Particle System style: rgb(15, 20, 25), nearest Tailwind token neutral-900. Keep text contrast at least 4.5:1 (this color scores 18.51:1 on white, 1.13:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #0f1419 with correct contrast constraints. Browse all palette colors.
Questions about #0f1419
What color is #0f1419?
#0f1419 is rgb(15, 20, 25), or hsl(210, 25%, 8%). The nearest reference Tailwind v4 token is neutral-900 (#171717), not an exact match.
What text color should I use on #0f1419?
White (#ffffff) has the higher black-or-white contrast against #0f1419: 18.51:1. 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 #0f1419 in Tailwind CSS?
Use bg-[#0f1419], text-[#0f1419], 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.