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#1f2def

a balanced, electric blue · warm · closest name: blue

RGB
31, 45, 239
HSL
236°, 87%, 53%
CMYK
87, 81, 0, 6
Luminance
0.0840

Every format

HEX#1f2def
RGBrgb(31, 45, 239)
HSLhsl(236, 87%, 53%)
CMYKcmyk(87%, 81%, 0%, 6%)
LABlab(34.8 63.2 -94.7)
LCHlch(34.8 113.8 303.7)
OKLCHoklch(0.465 0.275 267.0)

Copy-ready code

/* CSS */
color: #1f2def;
background-color: #1f2def;
/* Tailwind (arbitrary) */
class="text-[#1f2def] bg-[#1f2def]"
/* SCSS */
$brand: #1f2def;
/* SwiftUI */
Color(red: 0.122, green: 0.176, blue: 0.937)
/* Android */
Color.parseColor("#1f2def")

Accessibility — WCAG contrast

Aa
#1f2def on white: 7.84:1
AA ✓ pass · AA-large · AAA
Aa
#1f2def on black: 2.68:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red12.2%
Green17.6%
Blue93.7%

CMYK percentages

Cyan87.0%
Magenta81.2%
Yellow0.0%
Key (black)6.3%

Color previews

#1f2def text on a black background

contrast 2.68:1

Card sample

#1f2def text on a white background

contrast 7.84:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #1f2def;
Background color
Panel with #1f2def background
background-color: #1f2def;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #1f2def;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(31, 45, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(31, 45, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1f2def;
background: linear-gradient(135deg, #1f2def, #9C1FEF);

Monochromatic scale

Palettes built from #1f2def

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #1f2def in the Color Lab