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#233db1

a dark, vivid blue · warm · closest name: slateblue

RGB
35, 61, 177
HSL
229°, 67%, 42%
CMYK
80, 66, 0, 31
Luminance
0.0687

Every format

HEX#233db1
RGBrgb(35, 61, 177)
HSLhsl(229, 67%, 42%)
CMYKcmyk(80%, 66%, 0%, 31%)
LABlab(31.5 33.6 -64.1)
LCHlch(31.5 72.4 297.6)
OKLCHoklch(0.423 0.186 267.4)

Copy-ready code

/* CSS */
color: #233db1;
background-color: #233db1;
/* Tailwind (arbitrary) */
class="text-[#233db1] bg-[#233db1]"
/* SCSS */
$brand: #233db1;
/* SwiftUI */
Color(red: 0.137, green: 0.239, blue: 0.694)
/* Android */
Color.parseColor("#233db1")

Accessibility — WCAG contrast

Aa
#233db1 on white: 8.85:1
AA ✓ pass · AA-large · AAA
Aa
#233db1 on black: 2.37:1
AA ✗ fail · AA-large · AAA
true color
protanopia
deuteranopia
tritanopia

RGB percentages

Red13.7%
Green23.9%
Blue69.4%

CMYK percentages

Cyan80.2%
Magenta65.5%
Yellow0.0%
Key (black)30.6%

Color previews

#233db1 text on a black background

contrast 2.37:1

Card sample

#233db1 text on a white background

contrast 8.85:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #233db1;
Background color
Panel with #233db1 background
background-color: #233db1;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #233db1;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(35, 61, 177, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(35, 61, 177, 0.45);
Border & gradient
Gradient panel
border: 3px solid #233db1;
background: linear-gradient(135deg, #233db1, #6823B1);

Monochromatic scale

Palettes built from #233db1

Shades — darker

Tints — lighter

Hue & tone neighbors

Color harmonies

Nearest named colors

Work with #233db1 in the Color Lab