What color is #31383F?

#31383F 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 #31383F?

The RGB value is 49, 56, 63: 49 red, 56 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #31383F?

The complementary color is #3F3831, found by rotating the hue 180° on the color wheel.

Is black or white text better on #31383F?

White text. Black text has a contrast ratio of 1.77:1 and white text 11.88:1. WCAG asks for at least 4.5:1 for normal text.

#31383F color

#31383F rgb(49, 56, 63)

Shades of gray

The hex color #31383F is a dark, grayish azure.

In the RGB color model it is made of 19.2% red, 22% green and 24.7% blue (49, 56, 63).

Its hue angle is 210°, with 13% saturation and 22% lightness. For print, the CMYK equivalent is 22% cyan, 11% magenta, 0% yellow and 75% black.

The closest named color is Do Not Disturb (#363B43), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.88:1).

#31383F color codes

HEX	`#31383F`
RGB	`rgb(49, 56, 63)`
RGB percent	`rgb(19.2%, 22%, 24.7%)`
HSL	`hsl(210, 13%, 22%)`
HSV / HSB	`hsv(210, 22%, 25%)`
CMYK	`cmyk(22%, 11%, 0%, 75%)`
CIE LAB	`lab(23.14, -1.12, -5.34)`
CIE LCH	`lch(23.14, 5.46, 258.17)`
CIE XYZ	`xyz(3.578, 3.84, 5.254)`
Decimal	`3225663`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #31383F, 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 #31383F	Ratio	AA	AAA	AA large
Sample text	1.77:1	Fail	Fail	Fail
Sample text	11.88:1	Pass	Pass	Pass

#31383F as text on	Ratio	AA	AAA	AA large
Sample text	11.88:1	Pass	Pass	Pass
Sample text	1.77:1	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 #31383F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #31383f; }
.text { color: #31383f; }
.border { border: 2px solid #31383f; }
.transparent { background-color: rgb(49 56 63 / 50%); }
.gradient { background: linear-gradient(to right, #31383f, #31313f); }

Background

Text color

Border

Similar colors

Questions

What color is #31383F?: #31383F 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 #31383F?: The RGB value is 49, 56, 63: 49 red, 56 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #31383F?: The complementary color is #3F3831, found by rotating the hue 180° on the color wheel.
Is black or white text better on #31383F?: White text. Black text has a contrast ratio of 1.77:1 and white text 11.88:1. WCAG asks for at least 4.5:1 for normal text.