What color is #28333D?

#28333D is a very dark, grayish azure, closest to the named color Petrol Slumber. It belongs to the gray family of colors.

What is the RGB value of #28333D?

The RGB value is 40, 51, 61: 40 red, 51 green and 61 blue on a 0 to 255 scale.

What is the complementary color of #28333D?

The complementary color is #3D3228, found by rotating the hue 180° on the color wheel.

Is black or white text better on #28333D?

White text. Black text has a contrast ratio of 1.63:1 and white text 12.87:1. WCAG asks for at least 4.5:1 for normal text.

#28333D color

#28333D rgb(40, 51, 61)

Shades of gray

The hex color #28333D is a very dark, grayish azure.

In the RGB color model it is made of 15.7% red, 20% green and 23.9% blue (40, 51, 61).

Its hue angle is 209°, with 21% saturation and 20% lightness. For print, the CMYK equivalent is 34% cyan, 16% magenta, 0% yellow and 76% black.

The closest named color is Petrol Slumber (#243640), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.87:1).

#28333D color codes

HEX	`#28333D`
RGB	`rgb(40, 51, 61)`
RGB percent	`rgb(15.7%, 20%, 23.9%)`
HSL	`hsl(209, 21%, 20%)`
HSV / HSB	`hsv(209, 34%, 24%)`
CMYK	`cmyk(34%, 16%, 0%, 76%)`
CIE LAB	`lab(20.66, -1.75, -7.79)`
CIE LCH	`lch(20.66, 7.99, 257.37)`
CIE XYZ	`xyz(2.901, 3.156, 4.87)`
Decimal	`2634557`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #28333D, 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 #28333D	Ratio	AA	AAA	AA large
Sample text	1.63:1	Fail	Fail	Fail
Sample text	12.87:1	Pass	Pass	Pass

#28333D as text on	Ratio	AA	AAA	AA large
Sample text	12.87:1	Pass	Pass	Pass
Sample text	1.63:1	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 #28333D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #28333d; }
.text { color: #28333d; }
.border { border: 2px solid #28333d; }
.transparent { background-color: rgb(40 51 61 / 50%); }
.gradient { background: linear-gradient(to right, #28333d, #28293d); }

Background

Text color

Border

Similar colors

Questions

What color is #28333D?: #28333D is a very dark, grayish azure, closest to the named color Petrol Slumber. It belongs to the gray family of colors.
What is the RGB value of #28333D?: The RGB value is 40, 51, 61: 40 red, 51 green and 61 blue on a 0 to 255 scale.
What is the complementary color of #28333D?: The complementary color is #3D3228, found by rotating the hue 180° on the color wheel.
Is black or white text better on #28333D?: White text. Black text has a contrast ratio of 1.63:1 and white text 12.87:1. WCAG asks for at least 4.5:1 for normal text.