What color is #172A27?

#172A27 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.

What is the RGB value of #172A27?

The RGB value is 23, 42, 39: 23 red, 42 green and 39 blue on a 0 to 255 scale.

What is the complementary color of #172A27?

The complementary color is #2A171A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #172A27?

White text. Black text has a contrast ratio of 1.4:1 and white text 15.03:1. WCAG asks for at least 4.5:1 for normal text.

#172A27 color

#172A27 rgb(23, 42, 39)

Shades of black

The hex color #172A27 is a very dark, desaturated spring green.

In the RGB color model it is made of 9% red, 16.5% green and 15.3% blue (23, 42, 39).

Its hue angle is 171°, with 29% saturation and 13% lightness. For print, the CMYK equivalent is 45% cyan, 0% magenta, 7% yellow and 84% black.

The closest named color is Swamp Thing (#162825), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.03:1).

#172A27 color codes

HEX	`#172A27`
RGB	`rgb(23, 42, 39)`
RGB percent	`rgb(9%, 16.5%, 15.3%)`
HSL	`hsl(171, 29%, 13%)`
HSV / HSB	`hsv(171, 45%, 16%)`
CMYK	`cmyk(45%, 0%, 7%, 84%)`
CIE LAB	`lab(15.41, -8.65, -0.5)`
CIE LCH	`lch(15.41, 8.66, 183.28)`
CIE XYZ	`xyz(1.547, 1.984, 2.221)`
Decimal	`1518119`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #172A27, 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 #172A27	Ratio	AA	AAA	AA large
Sample text	1.4:1	Fail	Fail	Fail
Sample text	15.03:1	Pass	Pass	Pass

#172A27 as text on	Ratio	AA	AAA	AA large
Sample text	15.03:1	Pass	Pass	Pass
Sample text	1.4:1	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 #172A27 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #172a27; }
.text { color: #172a27; }
.border { border: 2px solid #172a27; }
.transparent { background-color: rgb(23 42 39 / 50%); }
.gradient { background: linear-gradient(to right, #172a27, #17242a); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #172A27?: #172A27 is a very dark, desaturated spring green, closest to the named color Swamp Thing. It belongs to the black family of colors.
What is the RGB value of #172A27?: The RGB value is 23, 42, 39: 23 red, 42 green and 39 blue on a 0 to 255 scale.
What is the complementary color of #172A27?: The complementary color is #2A171A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #172A27?: White text. Black text has a contrast ratio of 1.4:1 and white text 15.03:1. WCAG asks for at least 4.5:1 for normal text.