#457b9d
#457b9d is rgb(69, 123, 157), or hsl(203, 39%, 44%). The nearest reference Tailwind v4 token is slate-500 (#62748e), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 4.59:1 | pass | pass | fail |
| black | 4.57:1 | pass | pass | fail |
| slate-900 | 3.89:1 | fail | pass | fail |
| gray-100 | 4.17:1 | 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 #457b9d in real UI palettes
These colors appear alongside #457b9d in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #1a1a2e
Used together in F-Pattern Layout.
3.71:1
Not for normal text - #2a9d8f
Used together in F-Pattern Layout.
1.38:1
Not for normal text - #e63946
Used together in F-Pattern Layout.
1.10:1
Not for normal text - #e9c46a
Used together in F-Pattern Layout.
2.75:1
Not for normal text - #f8f9fa
Used together in F-Pattern Layout.
4.36:1
Not for normal text
A readable starting point
white text on #457b9d: 4.59:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #457b9d.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #457b9d as the accent color, following the F-Pattern Layout style: rgb(69, 123, 157), nearest Tailwind token slate-500. Keep text contrast at least 4.5:1 (this color scores 4.59:1 on white, 4.57:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #457b9d with correct contrast constraints. Browse all palette colors.
Questions about #457b9d
What color is #457b9d?
#457b9d is rgb(69, 123, 157), or hsl(203, 39%, 44%). The nearest reference Tailwind v4 token is slate-500 (#62748e), not an exact match.
What text color should I use on #457b9d?
White (#ffffff) has the higher black-or-white contrast against #457b9d: 4.59:1. 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 #457b9d in Tailwind CSS?
Use bg-[#457b9d], text-[#457b9d], 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.