#0a84ff
#0a84ff is rgb(10, 132, 255), or hsl(210, 100%, 52%). The nearest reference Tailwind v4 token is blue-500 (#2b7fff), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 3.65:1 | fail | pass | fail |
| black | 5.76:1 | pass | pass | fail |
| slate-900 | 4.89:1 | pass | pass | fail |
| gray-100 | 3.31:1 | 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 #0a84ff in real UI palettes
These colors appear alongside #0a84ff in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #1c1c1e
Used together in macOS Vibrancy.
4.66:1
AA normal text - #30d158
Used together in macOS Vibrancy.
1.80:1
Not for normal text - #3a3a3c
Used together in macOS Vibrancy.
3.11:1
Not for normal text - #ff453a
Used together in macOS Vibrancy.
1.07:1
Not for normal text - #ff9f0a
Used together in macOS Vibrancy.
1.77:1
Not for normal text
A readable starting point
black text on #0a84ff: 5.76:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #0a84ff.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #0a84ff as the accent color, following the macOS Vibrancy style: rgb(10, 132, 255), nearest Tailwind token blue-500. Keep text contrast at least 4.5:1 (this color scores 3.65:1 on white, 5.76:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #0a84ff with correct contrast constraints. Browse all palette colors.
Questions about #0a84ff
What color is #0a84ff?
#0a84ff is rgb(10, 132, 255), or hsl(210, 100%, 52%). The nearest reference Tailwind v4 token is blue-500 (#2b7fff), not an exact match.
What text color should I use on #0a84ff?
Black (#000000) has the higher black-or-white contrast against #0a84ff: 5.76:1. 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 #0a84ff in Tailwind CSS?
Use bg-[#0a84ff], text-[#0a84ff], 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.