What color is #343A40?

#343A40 is a dark, grayish azure, closest to the named color Do Not Disturb. It belongs to the gray family of colors.

What is the RGB value of #343A40?

The RGB value is 52, 58, 64: 52 red, 58 green and 64 blue on a 0 to 255 scale.

What is the complementary color of #343A40?

The complementary color is #403A34, found by rotating the hue 180° on the color wheel.

Is black or white text better on #343A40?

White text. Black text has a contrast ratio of 1.83:1 and white text 11.51:1. WCAG asks for at least 4.5:1 for normal text.

#343A40 color

#343A40 rgb(52, 58, 64)

Shades of gray

The hex color #343A40 is a dark, grayish azure.

In the RGB color model it is made of 20.4% red, 22.7% green and 25.1% blue (52, 58, 64).

Its hue angle is 210°, with 10% saturation and 23% lightness. For print, the CMYK equivalent is 19% cyan, 9% magenta, 0% yellow and 75% black.

The closest named color is Do Not Disturb (#363B43), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.51:1).

#343A40 color codes

HEX	`#343A40`
RGB	`rgb(52, 58, 64)`
RGB percent	`rgb(20.4%, 22.7%, 25.1%)`
HSL	`hsl(210, 10%, 23%)`
HSV / HSB	`hsv(210, 19%, 25%)`
CMYK	`cmyk(19%, 9%, 0%, 75%)`
CIE LAB	`lab(24.08, -1, -4.56)`
CIE LCH	`lch(24.08, 4.67, 257.68)`
CIE XYZ	`xyz(3.854, 4.126, 5.443)`
Decimal	`3422784`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #343A40, 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 #343A40	Ratio	AA	AAA	AA large
Sample text	1.83:1	Fail	Fail	Fail
Sample text	11.51:1	Pass	Pass	Pass

#343A40 as text on	Ratio	AA	AAA	AA large
Sample text	11.51:1	Pass	Pass	Pass
Sample text	1.83:1	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 #343A40 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #343a40; }
.text { color: #343a40; }
.border { border: 2px solid #343a40; }
.transparent { background-color: rgb(52 58 64 / 50%); }
.gradient { background: linear-gradient(to right, #343a40, #343440); }

Background

Text color

Border

Similar colors

Questions

What color is #343A40?: #343A40 is a dark, grayish azure, closest to the named color Do Not Disturb. It belongs to the gray family of colors.
What is the RGB value of #343A40?: The RGB value is 52, 58, 64: 52 red, 58 green and 64 blue on a 0 to 255 scale.
What is the complementary color of #343A40?: The complementary color is #403A34, found by rotating the hue 180° on the color wheel.
Is black or white text better on #343A40?: White text. Black text has a contrast ratio of 1.83:1 and white text 11.51:1. WCAG asks for at least 4.5:1 for normal text.