#181F41 color

#181F41 rgb(24, 31, 65)
Shades of blue

The hex color #181F41 is a very dark, desaturated blue.

In the RGB color model it is made of 9.4% red, 12.2% green and 25.5% blue (24, 31, 65).

Its hue angle is 230°, with 46% saturation and 17% lightness. For print, the CMYK equivalent is 63% cyan, 52% magenta, 0% yellow and 75% black.

The closest named color is Nightwalker (#161D3B), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 16.02:1).

#181F41 color codes

HEX#181F41
RGBrgb(24, 31, 65)
RGB percentrgb(9.4%, 12.2%, 25.5%)
HSLhsl(230, 46%, 17%)
HSV / HSBhsv(230, 63%, 25%)
CMYKcmyk(63%, 52%, 0%, 75%)
CIE LABlab(12.96, 8.96, -22.66)
CIE LCHlch(12.96, 24.36, 291.58)
CIE XYZxyz(1.82, 1.556, 5.204)
Decimal1580865
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #181F41, 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 #181F41RatioAAAAAAA large
Sample text1.31:1FailFailFail
Sample text16.02:1PassPassPass
#181F41 as text onRatioAAAAAAA large
Sample text16.02:1PassPassPass
Sample text1.31:1FailFailFail

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 #181F41 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181f41; }
.text { color: #181f41; }
.border { border: 2px solid #181f41; }
.transparent { background-color: rgb(24 31 65 / 50%); }
.gradient { background: linear-gradient(to right, #181f41, #251841); }
Background
Text color
Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #181F41?
#181F41 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 #181F41?
The RGB value is 24, 31, 65: 24 red, 31 green and 65 blue on a 0 to 255 scale.
What is the complementary color of #181F41?
The complementary color is #413A18, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181F41?
White text. Black text has a contrast ratio of 1.31:1 and white text 16.02:1. WCAG asks for at least 4.5:1 for normal text.