#1C5EE3
Vivid Blue
#1C5EE3 is the CSS named color "royalblue", an exact match. In RGB it breaks down to red 28, green 94, and blue 227 out of 255 each. In HSL terms that's a hue of 220°, 78% saturation, and 50% lightness: a mid-tone — usable as an accent for buttons, links, and icons against either a light or dark background.
Every format
| HEX | #1c5ee3 |
| RGB | rgb(28, 94, 227) |
| HSL | hsl(220° 78% 50%) |
| HSB | hsb(220° 88% 89%) |
| OKLCH | oklch(53% 0.213 262°) |
| OKLAB | oklab(53% -0.029 -0.211) |
| LCH | lch(43% 77.4 286°) |
| CMYK | cmyk(88% 59% 0% 11%) |
Shades (darker)
#1c5ee3 · #0d50d4 · #0042c6 · #0033b7 · #0022a9
Tints (lighter)
#1c5ee3 · #2b6df4 · #397dff · #478cff · #569cff
Shades mix #1C5EE3 toward black in even steps, useful for hover and pressed states in a UI; tints mix it toward white, useful for subtle backgrounds and disabled states that still read as the same color family.
On white: 5.59:1 — AA
On black: 3.76:1 — AA (large text only)
Frequently asked
- What is #1C5EE3 in RGB?
- #1C5EE3 is rgb(28, 94, 227) — red 28, green 94, blue 227 out of 255 each.
- Does #1C5EE3 pass WCAG contrast on a white background?
- It has a contrast ratio of 5.59:1 against white, which passes WCAG AA for normal text.
- What's a good background color to pair with #1C5EE3?
- White text or a white background gives better contrast (5.59:1) than black (3.76:1).