#28373B color

#28373B rgb(40, 55, 59)
Shades of gray

The hex color #28373B is a very dark, grayish cyan.

In the RGB color model it is made of 15.7% red, 21.6% green and 23.1% blue (40, 55, 59).

Its hue angle is 193°, with 19% saturation and 19% lightness. For print, the CMYK equivalent is 32% cyan, 7% magenta, 0% yellow and 77% black.

The closest named color is Gunmetal (#2A3439), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.35:1).

#28373B color codes

HEX#28373B
RGBrgb(40, 55, 59)
RGB percentrgb(15.7%, 21.6%, 23.1%)
HSLhsl(193, 19%, 19%)
HSV / HSBhsv(193, 32%, 23%)
CMYKcmyk(32%, 7%, 0%, 77%)
CIE LABlab(21.94, -4.99, -4.51)
CIE LCHlch(21.94, 6.72, 222.06)
CIE XYZxyz(3.03, 3.499, 4.653)
Decimal2635579
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #28373B, 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 #28373BRatioAAAAAAA large
Sample text1.7:1FailFailFail
Sample text12.35:1PassPassPass
#28373B as text onRatioAAAAAAA large
Sample text12.35:1PassPassPass
Sample text1.7:1FailFailFail

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 #28373B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #28373b; }
.text { color: #28373b; }
.border { border: 2px solid #28373b; }
.transparent { background-color: rgb(40 55 59 / 50%); }
.gradient { background: linear-gradient(to right, #28373b, #282e3b); }
Background
Text color
Border

Similar colors

Questions

What color is #28373B?
#28373B is a very dark, grayish cyan, closest to the named color Gunmetal. It belongs to the gray family of colors.
What is the RGB value of #28373B?
The RGB value is 40, 55, 59: 40 red, 55 green and 59 blue on a 0 to 255 scale.
What is the complementary color of #28373B?
The complementary color is #3B2C28, found by rotating the hue 180° on the color wheel.
Is black or white text better on #28373B?
White text. Black text has a contrast ratio of 1.7:1 and white text 12.35:1. WCAG asks for at least 4.5:1 for normal text.