What color is #15373E?

#15373E is a very dark, desaturated cyan, closest to the named color Royal Neptune. It belongs to the gray family of colors.

What is the RGB value of #15373E?

The RGB value is 21, 55, 62: 21 red, 55 green and 62 blue on a 0 to 255 scale.

What is the complementary color of #15373E?

The complementary color is #3E1C15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15373E?

White text. Black text has a contrast ratio of 1.65:1 and white text 12.74:1. WCAG asks for at least 4.5:1 for normal text.

#15373E color

#15373E rgb(21, 55, 62)

Shades of gray

The hex color #15373E is a very dark, desaturated cyan.

In the RGB color model it is made of 8.2% red, 21.6% green and 24.3% blue (21, 55, 62).

Its hue angle is 190°, with 49% saturation and 16% lightness. For print, the CMYK equivalent is 66% cyan, 11% magenta, 0% yellow and 76% black.

The closest named color is Royal Neptune (#1C3B42), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.74:1).

#15373E color codes

HEX	`#15373E`
RGB	`rgb(21, 55, 62)`
RGB percent	`rgb(8.2%, 21.6%, 24.3%)`
HSL	`hsl(190, 49%, 16%)`
HSV / HSB	`hsv(190, 66%, 24%)`
CMYK	`cmyk(66%, 11%, 0%, 76%)`
CIE LAB	`lab(20.98, -9.81, -8.09)`
CIE LCH	`lch(20.98, 12.72, 219.51)`
CIE XYZ	`xyz(2.545, 3.239, 5.048)`
Decimal	`1390398`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15373E, 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 #15373E	Ratio	AA	AAA	AA large
Sample text	1.65:1	Fail	Fail	Fail
Sample text	12.74:1	Pass	Pass	Pass

#15373E as text on	Ratio	AA	AAA	AA large
Sample text	12.74:1	Pass	Pass	Pass
Sample text	1.65:1	Fail	Fail	Fail

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 #15373E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15373e; }
.text { color: #15373e; }
.border { border: 2px solid #15373e; }
.transparent { background-color: rgb(21 55 62 / 50%); }
.gradient { background: linear-gradient(to right, #15373e, #15223e); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #15373E?: #15373E is a very dark, desaturated cyan, closest to the named color Royal Neptune. It belongs to the gray family of colors.
What is the RGB value of #15373E?: The RGB value is 21, 55, 62: 21 red, 55 green and 62 blue on a 0 to 255 scale.
What is the complementary color of #15373E?: The complementary color is #3E1C15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15373E?: White text. Black text has a contrast ratio of 1.65:1 and white text 12.74:1. WCAG asks for at least 4.5:1 for normal text.