#181E3D color

#181E3D rgb(24, 30, 61)
Shades of blue

The hex color #181E3D is a very dark, desaturated blue.

In the RGB color model it is made of 9.4% red, 11.8% green and 23.9% blue (24, 30, 61).

Its hue angle is 230°, with 44% saturation and 17% lightness. For print, the CMYK equivalent is 61% cyan, 51% magenta, 0% yellow and 76% black.

The closest named color is Nightwalker (#161D3B), a difference of 0.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.25:1).

#181E3D color codes

HEX#181E3D
RGBrgb(24, 30, 61)
RGB percentrgb(9.4%, 11.8%, 23.9%)
HSLhsl(230, 44%, 17%)
HSV / HSBhsv(230, 61%, 24%)
CMYKcmyk(61%, 51%, 0%, 76%)
CIE LABlab(12.35, 8.13, -20.82)
CIE LCHlch(12.35, 22.35, 291.34)
CIE XYZxyz(1.683, 1.46, 4.607)
Decimal1580605
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #181E3D, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #181E3DRatioAAAAAAA large
Sample text1.29:1FailFailFail
Sample text16.25:1PassPassPass
#181E3D as text onRatioAAAAAAA large
Sample text16.25:1PassPassPass
Sample text1.29:1FailFailFail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #181E3D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181e3d; }
.text { color: #181e3d; }
.border { border: 2px solid #181e3d; }
.transparent { background-color: rgb(24 30 61 / 50%); }
.gradient { background: linear-gradient(to right, #181e3d, #24183d); }
Background
Text color
Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #181E3D?
#181E3D is a very dark, desaturated blue, closest to the named color Nightwalker. It belongs to the blue family of colors.
What is the RGB value of #181E3D?
The RGB value is 24, 30, 61: 24 red, 30 green and 61 blue on a 0 to 255 scale.
What is the complementary color of #181E3D?
The complementary color is #3D3718, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181E3D?
White text. Black text has a contrast ratio of 1.29:1 and white text 16.25:1. WCAG asks for at least 4.5:1 for normal text.