What color is #153840?

#153840 is a very dark, moderate cyan, closest to the named color Royal Neptune. It belongs to the teal family of colors.

What is the RGB value of #153840?

The RGB value is 21, 56, 64: 21 red, 56 green and 64 blue on a 0 to 255 scale.

What is the complementary color of #153840?

The complementary color is #401D15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #153840?

White text. Black text has a contrast ratio of 1.67:1 and white text 12.56:1. WCAG asks for at least 4.5:1 for normal text.

#153840 color

#153840 rgb(21, 56, 64)

Shades of teal

The hex color #153840 is a very dark, moderate cyan.

In the RGB color model it is made of 8.2% red, 22% green and 25.1% blue (21, 56, 64).

Its hue angle is 191°, with 51% saturation and 17% lightness. For print, the CMYK equivalent is 67% cyan, 13% magenta, 0% yellow and 75% black.

The closest named color is Royal Neptune (#1C3B42), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.56:1).

#153840 color codes

HEX	`#153840`
RGB	`rgb(21, 56, 64)`
RGB percent	`rgb(8.2%, 22%, 25.1%)`
HSL	`hsl(191, 51%, 17%)`
HSV / HSB	`hsv(191, 67%, 25%)`
CMYK	`cmyk(67%, 13%, 0%, 75%)`
CIE LAB	`lab(21.42, -9.72, -8.77)`
CIE LCH	`lch(21.42, 13.09, 222.05)`
CIE XYZ	`xyz(2.648, 3.358, 5.358)`
Decimal	`1390656`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #153840, 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 #153840	Ratio	AA	AAA	AA large
Sample text	1.67:1	Fail	Fail	Fail
Sample text	12.56:1	Pass	Pass	Pass

#153840 as text on	Ratio	AA	AAA	AA large
Sample text	12.56:1	Pass	Pass	Pass
Sample text	1.67:1	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 #153840 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #153840; }
.text { color: #153840; }
.border { border: 2px solid #153840; }
.transparent { background-color: rgb(21 56 64 / 50%); }
.gradient { background: linear-gradient(to right, #153840, #152340); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #153840?: #153840 is a very dark, moderate cyan, closest to the named color Royal Neptune. It belongs to the teal family of colors.
What is the RGB value of #153840?: The RGB value is 21, 56, 64: 21 red, 56 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #153840?: The complementary color is #401D15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #153840?: White text. Black text has a contrast ratio of 1.67:1 and white text 12.56:1. WCAG asks for at least 4.5:1 for normal text.