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#397abc

a balanced, vivid blue · cool · closest name: steelblue

RGB
57, 122, 188
HSL
210°, 54%, 48%
CMYK
70, 35, 0, 26
Luminance
0.1842

Every format

HEX#397abc
RGBrgb(57, 122, 188)
HSLhsl(210, 54%, 48%)
CMYKcmyk(70%, 35%, 0%, 26%)
LABlab(50.0 1.2 -40.7)
LCHlch(50.0 40.7 271.6)
OKLCHoklch(0.569 0.122 251.1)

Copy-ready code

/* CSS */
color: #397abc;
background-color: #397abc;
/* Tailwind (arbitrary) */
class="text-[#397abc] bg-[#397abc]"
/* SCSS */
$brand: #397abc;
/* SwiftUI */
Color(red: 0.224, green: 0.478, blue: 0.737)
/* Android */
Color.parseColor("#397abc")

Accessibility — WCAG contrast

Aa
#397abc on white: 4.48:1
AA ✗ fail · AA-large · AAA
Aa
#397abc on black: 4.68:1
AA ✓ pass · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red22.4%
Green47.8%
Blue73.7%

CMYK percentages

Cyan69.7%
Magenta35.1%
Yellow0.0%
Key (black)26.3%

Color previews

#397abc text on a black background

contrast 4.68:1

Card sample

#397abc text on a white background

contrast 4.48:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #397abc;
Background color
Panel with #397abc background
background-color: #397abc;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #397abc;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(57, 122, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 122, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397abc;
background: linear-gradient(135deg, #397abc, #4F39BC);

Monochromatic scale

Palettes built from #397abc

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #397abc in the Color Lab