What color is #33373F?

#33373F is a dark, grayish blue, closest to the named color Do Not Disturb. It belongs to the gray family of colors.

What is the RGB value of #33373F?

The RGB value is 51, 55, 63: 51 red, 55 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #33373F?

The complementary color is #3F3B33, found by rotating the hue 180° on the color wheel.

Is black or white text better on #33373F?

White text. Black text has a contrast ratio of 1.76:1 and white text 11.94:1. WCAG asks for at least 4.5:1 for normal text.

#33373F color

#33373F rgb(51, 55, 63)

Shades of gray

The hex color #33373F is a dark, grayish blue.

In the RGB color model it is made of 20% red, 21.6% green and 24.7% blue (51, 55, 63).

Its hue angle is 220°, with 11% saturation and 22% lightness. For print, the CMYK equivalent is 19% cyan, 13% magenta, 0% yellow and 75% black.

The closest named color is Do Not Disturb (#363B43), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.94:1).

#33373F color codes

HEX	`#33373F`
RGB	`rgb(51, 55, 63)`
RGB percent	`rgb(20%, 21.6%, 24.7%)`
HSL	`hsl(220, 11%, 22%)`
HSV / HSB	`hsv(220, 19%, 25%)`
CMYK	`cmyk(19%, 13%, 0%, 75%)`
CIE LAB	`lab(22.98, 0.33, -5.55)`
CIE LCH	`lch(22.98, 5.56, 273.42)`
CIE XYZ	`xyz(3.628, 3.795, 5.243)`
Decimal	`3356479`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #33373F, 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 #33373F	Ratio	AA	AAA	AA large
Sample text	1.76:1	Fail	Fail	Fail
Sample text	11.94:1	Pass	Pass	Pass

#33373F as text on	Ratio	AA	AAA	AA large
Sample text	11.94:1	Pass	Pass	Pass
Sample text	1.76:1	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 #33373F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #33373f; }
.text { color: #33373f; }
.border { border: 2px solid #33373f; }
.transparent { background-color: rgb(51 55 63 / 50%); }
.gradient { background: linear-gradient(to right, #33373f, #35333f); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #33373F?: #33373F is a dark, grayish blue, closest to the named color Do Not Disturb. It belongs to the gray family of colors.
What is the RGB value of #33373F?: The RGB value is 51, 55, 63: 51 red, 55 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #33373F?: The complementary color is #3F3B33, found by rotating the hue 180° on the color wheel.
Is black or white text better on #33373F?: White text. Black text has a contrast ratio of 1.76:1 and white text 11.94:1. WCAG asks for at least 4.5:1 for normal text.