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#1879ff

a balanced, electric blue · cool · closest name: royalblue

RGB
24, 121, 255
HSL
215°, 100%, 55%
CMYK
91, 53, 0, 0
Luminance
0.2109

Every format

HEX#1879ff
RGBrgb(24, 121, 255)
HSLhsl(215, 100%, 55%)
CMYKcmyk(91%, 53%, 0%, 0%)
LABlab(53.0 23.9 -73.6)
LCHlch(53.0 77.4 288.0)
OKLCHoklch(0.603 0.217 258.8)

Copy-ready code

/* CSS */
color: #1879ff;
background-color: #1879ff;
/* Tailwind (arbitrary) */
class="text-[#1879ff] bg-[#1879ff]"
/* SCSS */
$brand: #1879ff;
/* SwiftUI */
Color(red: 0.094, green: 0.475, blue: 1.000)
/* Android */
Color.parseColor("#1879ff")

Accessibility — WCAG contrast

Aa
#1879ff on white: 4.02:1
AA ✗ fail · AA-large · AAA
Aa
#1879ff on black: 5.22:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red9.4%
Green47.5%
Blue100.0%

CMYK percentages

Cyan90.6%
Magenta52.5%
Yellow0.0%
Key (black)0.0%

Color previews

#1879ff text on a black background

contrast 5.22:1

Card sample

#1879ff text on a white background

contrast 4.02:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #1879ff;
Background color
Panel with #1879ff background
background-color: #1879ff;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #1879ff;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(24, 121, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(24, 121, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1879ff;
background: linear-gradient(135deg, #1879ff, #5118FF);

Monochromatic scale

Palettes built from #1879ff

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #1879ff in the Color Lab