What color is #303539?

#303539 is a dark, grayish azure, closest to the named color Vulcan. It belongs to the gray family of colors.

What is the RGB value of #303539?

The RGB value is 48, 53, 57: 48 red, 53 green and 57 blue on a 0 to 255 scale.

What is the complementary color of #303539?

The complementary color is #393430, found by rotating the hue 180° on the color wheel.

Is black or white text better on #303539?

White text. Black text has a contrast ratio of 1.69:1 and white text 12.4:1. WCAG asks for at least 4.5:1 for normal text.

#303539 color

#303539 rgb(48, 53, 57)

Shades of gray

The hex color #303539 is a dark, grayish azure.

In the RGB color model it is made of 18.8% red, 20.8% green and 22.4% blue (48, 53, 57).

Its hue angle is 207°, with 9% saturation and 21% lightness. For print, the CMYK equivalent is 16% cyan, 7% magenta, 0% yellow and 78% black.

The closest named color is Vulcan (#36383C), a difference of 2.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.4:1).

#303539 color codes

HEX	`#303539`
RGB	`rgb(48, 53, 57)`
RGB percent	`rgb(18.8%, 20.8%, 22.4%)`
HSL	`hsl(207, 9%, 21%)`
HSV / HSB	`hsv(207, 16%, 22%)`
CMYK	`cmyk(16%, 7%, 0%, 78%)`
CIE LAB	`lab(21.84, -1.12, -3.24)`
CIE LCH	`lch(21.84, 3.43, 250.88)`
CIE XYZ	`xyz(3.23, 3.47, 4.37)`
Decimal	`3159353`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #303539, 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 #303539	Ratio	AA	AAA	AA large
Sample text	1.69:1	Fail	Fail	Fail
Sample text	12.4:1	Pass	Pass	Pass

#303539 as text on	Ratio	AA	AAA	AA large
Sample text	12.4:1	Pass	Pass	Pass
Sample text	1.69:1	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 #303539 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #303539; }
.text { color: #303539; }
.border { border: 2px solid #303539; }
.transparent { background-color: rgb(48 53 57 / 50%); }
.gradient { background: linear-gradient(to right, #303539, #303139); }

Background

Text color

Border

Similar colors

Questions

What color is #303539?: #303539 is a dark, grayish azure, closest to the named color Vulcan. It belongs to the gray family of colors.
What is the RGB value of #303539?: The RGB value is 48, 53, 57: 48 red, 53 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #303539?: The complementary color is #393430, found by rotating the hue 180° on the color wheel.
Is black or white text better on #303539?: White text. Black text has a contrast ratio of 1.69:1 and white text 12.4:1. WCAG asks for at least 4.5:1 for normal text.