What color is #233039?

#233039 is a very dark, grayish azure, closest to the named color Petrol Slumber. It belongs to the black family of colors.

What is the RGB value of #233039?

The RGB value is 35, 48, 57: 35 red, 48 green and 57 blue on a 0 to 255 scale.

What is the complementary color of #233039?

The complementary color is #392C23, found by rotating the hue 180° on the color wheel.

Is black or white text better on #233039?

White text. Black text has a contrast ratio of 1.55:1 and white text 13.52:1. WCAG asks for at least 4.5:1 for normal text.

#233039 color

#233039 rgb(35, 48, 57)

Shades of black

The hex color #233039 is a very dark, grayish azure.

In the RGB color model it is made of 13.7% red, 18.8% green and 22.4% blue (35, 48, 57).

Its hue angle is 205°, with 24% saturation and 18% lightness. For print, the CMYK equivalent is 39% cyan, 16% magenta, 0% yellow and 78% black.

The closest named color is Petrol Slumber (#243640), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.52:1).

#233039 color codes

HEX	`#233039`
RGB	`rgb(35, 48, 57)`
RGB percent	`rgb(13.7%, 18.8%, 22.4%)`
HSL	`hsl(205, 24%, 18%)`
HSV / HSB	`hsv(205, 39%, 22%)`
CMYK	`cmyk(39%, 16%, 0%, 78%)`
CIE LAB	`lab(19.08, -2.76, -7.48)`
CIE LCH	`lch(19.08, 7.97, 249.77)`
CIE XYZ	`xyz(2.488, 2.767, 4.273)`
Decimal	`2306105`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #233039, 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 #233039	Ratio	AA	AAA	AA large
Sample text	1.55:1	Fail	Fail	Fail
Sample text	13.52:1	Pass	Pass	Pass

#233039 as text on	Ratio	AA	AAA	AA large
Sample text	13.52:1	Pass	Pass	Pass
Sample text	1.55:1	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 #233039 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #233039; }
.text { color: #233039; }
.border { border: 2px solid #233039; }
.transparent { background-color: rgb(35 48 57 / 50%); }
.gradient { background: linear-gradient(to right, #233039, #232539); }

Background

Text color

Border

Similar colors

Questions

What color is #233039?: #233039 is a very dark, grayish azure, closest to the named color Petrol Slumber. It belongs to the black family of colors.
What is the RGB value of #233039?: The RGB value is 35, 48, 57: 35 red, 48 green and 57 blue on a 0 to 255 scale.
What is the complementary color of #233039?: The complementary color is #392C23, found by rotating the hue 180° on the color wheel.
Is black or white text better on #233039?: White text. Black text has a contrast ratio of 1.55:1 and white text 13.52:1. WCAG asks for at least 4.5:1 for normal text.