#2d9cdb
#2d9cdb is rgb(45, 156, 219), or hsl(202, 71%, 52%). The nearest reference Tailwind v4 token is sky-500 (#00a6f4), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 3.05:1 | fail | pass | fail |
| black | 6.89:1 | pass | pass | fail |
| slate-900 | 5.86:1 | pass | pass | fail |
| gray-100 | 2.77:1 | fail | fail | 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 #2d9cdb in real UI palettes
These colors appear alongside #2d9cdb in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #0a0a0b
Used together in Linear Style.
6.49:1
AA normal text - #27ae60
Used together in Linear Style.
1.06:1
Not for normal text - #5e6ad2
Used together in Linear Style.
1.54:1
Not for normal text - #eb5757
Used together in Linear Style.
1.14:1
Not for normal text - #f2c94c
Used together in Linear Style.
1.92:1
Not for normal text
A readable starting point
black text on #2d9cdb: 6.89:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #2d9cdb.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #2d9cdb as the accent color, following the Linear Style style: rgb(45, 156, 219), nearest Tailwind token sky-500. Keep text contrast at least 4.5:1 (this color scores 3.05:1 on white, 6.89:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #2d9cdb with correct contrast constraints. Browse all palette colors.
Questions about #2d9cdb
What color is #2d9cdb?
#2d9cdb is rgb(45, 156, 219), or hsl(202, 71%, 52%). The nearest reference Tailwind v4 token is sky-500 (#00a6f4), not an exact match.
What text color should I use on #2d9cdb?
Black (#000000) has the higher black-or-white contrast against #2d9cdb: 6.89:1. 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 #2d9cdb in Tailwind CSS?
Use bg-[#2d9cdb], text-[#2d9cdb], 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.