#373E3F color

#373E3F rgb(55, 62, 63)
Shades of gray

The hex color #373E3F is a dark gray.

In the RGB color model it is made of 21.6% red, 24.3% green and 24.7% blue (55, 62, 63).

Its hue angle is 188°, with 7% saturation and 23% lightness. For print, the CMYK equivalent is 13% cyan, 2% magenta, 0% yellow and 75% black.

The closest named color is Tamahagane (#3B3F40), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.92:1).

#373E3F color codes

HEX#373E3F
RGBrgb(55, 62, 63)
RGB percentrgb(21.6%, 24.3%, 24.7%)
HSLhsl(188, 7%, 23%)
HSV / HSBhsv(188, 13%, 25%)
CMYKcmyk(13%, 2%, 0%, 75%)
CIE LABlab(25.61, -2.66, -1.61)
CIE LCHlch(25.61, 3.11, 211.12)
CIE XYZxyz(4.195, 4.616, 5.372)
Decimal3620415
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #373E3F, 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 #373E3FRatioAAAAAAA large
Sample text1.92:1FailFailFail
Sample text10.92:1PassPassPass
#373E3F as text onRatioAAAAAAA large
Sample text10.92:1PassPassPass
Sample text1.92:1FailFailFail

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 #373E3F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #373e3f; }
.text { color: #373e3f; }
.border { border: 2px solid #373e3f; }
.transparent { background-color: rgb(55 62 63 / 50%); }
.gradient { background: linear-gradient(to right, #373e3f, #373a3f); }
Background
Text color
Border

Similar colors

Questions

What color is #373E3F?
#373E3F is a dark gray, closest to the named color Tamahagane. It belongs to the gray family of colors.
What is the RGB value of #373E3F?
The RGB value is 55, 62, 63: 55 red, 62 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #373E3F?
The complementary color is #3F3837, found by rotating the hue 180° on the color wheel.
Is black or white text better on #373E3F?
White text. Black text has a contrast ratio of 1.92:1 and white text 10.92:1. WCAG asks for at least 4.5:1 for normal text.