#64748B
Tailwind slate-500
#64748B is a blue colour. In RGB it is 100 red, 116 green and 139 blue, which converts to a hue of 215 degrees, 16% saturation and 47% lightness. It is Tailwind slate-500 in that design system's palette.
Color values
| HEX | #64748B |
|---|---|
| RGB | rgb(100, 116, 139) |
| HSL | hsl(215, 16%, 47%) |
| HSV | hsv(215, 28%, 55%) |
| CMYK | cmyk(28%, 17%, 0%, 45%) |
Contrast and accessibility
Against white the contrast ratio is 4.76:1, and against black it is 4.41:1. WCAG asks for at least 4.5:1 for normal text and 3:1 for large text.
| Background | Ratio | Normal text | Large text |
|---|---|---|---|
| White | 4.76:1 | AA | AAA |
| Black | 4.41:1 | Fail | AA |
Tints and shades
Lighter tints move #64748B toward white, and darker shades move it toward black.
Tints
Shades
Color harmonies
Complementary
Analogous
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Split complementary
Code
| CSS | color: #64748B; |
|---|---|
| CSS rgb() | color: rgb(100 116 139); |
| Tailwind | bg-[#64748b] |
| SwiftUI | Color(red: 0.392, green: 0.455, blue: 0.545) |
| Android | Color.parseColor("#64748B") |
Closest named color
The nearest CSS colour keyword to #64748B is slategray (#708090).