What color is #313733?

#313733 is a dark gray, closest to the named color Onyx. It belongs to the gray family of colors.

What is the RGB value of #313733?

The RGB value is 49, 55, 51: 49 red, 55 green and 51 blue on a 0 to 255 scale.

What is the complementary color of #313733?

The complementary color is #373135, found by rotating the hue 180° on the color wheel.

Is black or white text better on #313733?

White text. Black text has a contrast ratio of 1.72:1 and white text 12.17:1. WCAG asks for at least 4.5:1 for normal text.

#313733 color

#313733 rgb(49, 55, 51)

Shades of gray

The hex color #313733 is a dark gray.

In the RGB color model it is made of 19.2% red, 21.6% green and 20% blue (49, 55, 51).

Its hue angle is 140°, with 6% saturation and 20% lightness. For print, the CMYK equivalent is 11% cyan, 0% magenta, 7% yellow and 78% black.

The closest named color is Onyx (#353935), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 12.17:1).

#313733 color codes

HEX	`#313733`
RGB	`rgb(49, 55, 51)`
RGB percent	`rgb(19.2%, 21.6%, 20%)`
HSL	`hsl(140, 6%, 20%)`
HSV / HSB	`hsv(140, 11%, 22%)`
CMYK	`cmyk(11%, 0%, 7%, 78%)`
CIE LAB	`lab(22.39, -3.51, 1.64)`
CIE LCH	`lch(22.39, 3.87, 155)`
CIE XYZ	`xyz(3.23, 3.624, 3.661)`
Decimal	`3225395`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #313733, 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 #313733	Ratio	AA	AAA	AA large
Sample text	1.72:1	Fail	Fail	Fail
Sample text	12.17:1	Pass	Pass	Pass

#313733 as text on	Ratio	AA	AAA	AA large
Sample text	12.17:1	Pass	Pass	Pass
Sample text	1.72:1	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 #313733 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #313733; }
.text { color: #313733; }
.border { border: 2px solid #313733; }
.transparent { background-color: rgb(49 55 51 / 50%); }
.gradient { background: linear-gradient(to right, #313733, #313736); }

Background

Text color

Border

Similar colors

Questions

What color is #313733?: #313733 is a dark gray, closest to the named color Onyx. It belongs to the gray family of colors.
What is the RGB value of #313733?: The RGB value is 49, 55, 51: 49 red, 55 green and 51 blue on a 0 to 255 scale.
What is the complementary color of #313733?: The complementary color is #373135, found by rotating the hue 180° on the color wheel.
Is black or white text better on #313733?: White text. Black text has a contrast ratio of 1.72:1 and white text 12.17:1. WCAG asks for at least 4.5:1 for normal text.