#153A39 color

#153A39 rgb(21, 58, 57)
Shades of teal

The hex color #153A39 is a very dark, desaturated cyan.

In the RGB color model it is made of 8.2% red, 22.7% green and 22.4% blue (21, 58, 57).

Its hue angle is 178°, with 47% saturation and 15% lightness. For print, the CMYK equivalent is 64% cyan, 0% magenta, 2% yellow and 77% black.

The closest named color is Botanical Night (#12403C), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.38:1).

#153A39 color codes

HEX#153A39
RGBrgb(21, 58, 57)
RGB percentrgb(8.2%, 22.7%, 22.4%)
HSLhsl(178, 47%, 15%)
HSV / HSBhsv(178, 64%, 23%)
CMYKcmyk(64%, 0%, 2%, 77%)
CIE LABlab(21.87, -13.36, -3.37)
CIE LCHlch(21.87, 13.78, 194.14)
CIE XYZxyz(2.561, 3.481, 4.407)
Decimal1391161
Short hexNone (no 3-digit form)

Color harmonies

Colors that go with #153A39, 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 #153A39RatioAAAAAAA large
Sample text1.7:1FailFailFail
Sample text12.38:1PassPassPass
#153A39 as text onRatioAAAAAAA large
Sample text12.38:1PassPassPass
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 #153A39 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #153a39; }
.text { color: #153a39; }
.border { border: 2px solid #153a39; }
.transparent { background-color: rgb(21 58 57 / 50%); }
.gradient { background: linear-gradient(to right, #153a39, #15293a); }
Background
Text color
Border

Similar colors

Questions

What color is #153A39?
#153A39 is a very dark, desaturated cyan, closest to the named color Botanical Night. It belongs to the teal family of colors.
What is the RGB value of #153A39?
The RGB value is 21, 58, 57: 21 red, 58 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #153A39?
The complementary color is #3A1516, found by rotating the hue 180° on the color wheel.
Is black or white text better on #153A39?
White text. Black text has a contrast ratio of 1.7:1 and white text 12.38:1. WCAG asks for at least 4.5:1 for normal text.