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#258eb4

a dark, vivid cyan · cool · closest name: steelblue

RGB
37, 142, 180
HSL
196°, 66%, 43%
CMYK
79, 21, 0, 29
Luminance
0.2303

Every format

HEX#258eb4
RGBrgb(37, 142, 180)
HSLhsl(196, 66%, 43%)
CMYKcmyk(79%, 21%, 0%, 29%)
LABlab(55.1 -15.8 -28.2)
LCHlch(55.1 32.3 240.7)
OKLCHoklch(0.606 0.107 227.7)

Copy-ready code

/* CSS */
color: #258eb4;
background-color: #258eb4;
/* Tailwind (arbitrary) */
class="text-[#258eb4] bg-[#258eb4]"
/* SCSS */
$brand: #258eb4;
/* SwiftUI */
Color(red: 0.145, green: 0.557, blue: 0.706)
/* Android */
Color.parseColor("#258eb4")

Accessibility — WCAG contrast

Aa
#258eb4 on white: 3.75:1
AA ✗ fail · AA-large · AAA
Aa
#258eb4 on black: 5.61:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red14.5%
Green55.7%
Blue70.6%

CMYK percentages

Cyan79.4%
Magenta21.1%
Yellow0.0%
Key (black)29.4%

Color previews

#258eb4 text on a black background

contrast 5.61:1

Card sample

#258eb4 text on a white background

contrast 3.75:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #258eb4;
Background color
Panel with #258eb4 background
background-color: #258eb4;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #258eb4;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(37, 142, 180, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(37, 142, 180, 0.45);
Border & gradient
Gradient panel
border: 3px solid #258eb4;
background: linear-gradient(135deg, #258eb4, #252FB4);

Monochromatic scale

Palettes built from #258eb4

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #258eb4 in the Color Lab