#1F3744 color

#1F3744 rgb(31, 55, 68)
Shades of gray

The hex color #1F3744 is a very dark, desaturated azure.

In the RGB color model it is made of 12.2% red, 21.6% green and 26.7% blue (31, 55, 68).

Its hue angle is 201°, with 37% saturation and 19% lightness. For print, the CMYK equivalent is 54% cyan, 19% magenta, 0% yellow and 73% black.

The closest named color is Into the Night (#1E3642), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.44:1).

#1F3744 color codes

HEX#1F3744
RGBrgb(31, 55, 68)
RGB percentrgb(12.2%, 21.6%, 26.7%)
HSLhsl(201, 37%, 19%)
HSV / HSBhsv(201, 54%, 27%)
CMYKcmyk(54%, 19%, 0%, 73%)
CIE LABlab(21.73, -5.06, -10.95)
CIE LCHlch(21.73, 12.07, 245.18)
CIE XYZxyz(2.974, 3.441, 5.975)
Decimal2045764
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #1F3744, 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 #1F3744RatioAAAAAAA large
Sample text1.69:1FailFailFail
Sample text12.44:1PassPassPass
#1F3744 as text onRatioAAAAAAA large
Sample text12.44:1PassPassPass
Sample text1.69:1FailFailFail

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 #1F3744 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f3744; }
.text { color: #1f3744; }
.border { border: 2px solid #1f3744; }
.transparent { background-color: rgb(31 55 68 / 50%); }
.gradient { background: linear-gradient(to right, #1f3744, #1f2544); }
Background
Text color
Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #1F3744?
#1F3744 is a very dark, desaturated azure, closest to the named color Into the Night. It belongs to the gray family of colors.
What is the RGB value of #1F3744?
The RGB value is 31, 55, 68: 31 red, 55 green and 68 blue on a 0 to 255 scale.
What is the complementary color of #1F3744?
The complementary color is #442C1F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F3744?
White text. Black text has a contrast ratio of 1.69:1 and white text 12.44:1. WCAG asks for at least 4.5:1 for normal text.