What color is #23303D?

#23303D is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the black family of colors.

What is the RGB value of #23303D?

The RGB value is 35, 48, 61: 35 red, 48 green and 61 blue on a 0 to 255 scale.

What is the complementary color of #23303D?

The complementary color is #3D3023, found by rotating the hue 180° on the color wheel.

Is black or white text better on #23303D?

White text. Black text has a contrast ratio of 1.56:1 and white text 13.45:1. WCAG asks for at least 4.5:1 for normal text.

#23303D color

#23303D rgb(35, 48, 61)

Shades of black

The hex color #23303D is a very dark, desaturated azure.

In the RGB color model it is made of 13.7% red, 18.8% green and 23.9% blue (35, 48, 61).

Its hue angle is 210°, with 27% saturation and 19% lightness. For print, the CMYK equivalent is 43% cyan, 21% magenta, 0% yellow and 76% black.

The closest named color is Blue Whale (#1E3442), a difference of 3.2 ΔE, a small difference.

White text is the more readable choice on this background (contrast 13.45:1).

#23303D color codes

HEX	`#23303D`
RGB	`rgb(35, 48, 61)`
RGB percent	`rgb(13.7%, 18.8%, 23.9%)`
HSL	`hsl(210, 27%, 19%)`
HSV / HSB	`hsv(210, 43%, 24%)`
CMYK	`cmyk(43%, 21%, 0%, 76%)`
CIE LAB	`lab(19.26, -1.47, -9.96)`
CIE LCH	`lch(19.26, 10.07, 261.59)`
CIE XYZ	`xyz(2.592, 2.808, 4.819)`
Decimal	`2306109`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #23303D, 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 #23303D	Ratio	AA	AAA	AA large
Sample text	1.56:1	Fail	Fail	Fail
Sample text	13.45:1	Pass	Pass	Pass

#23303D as text on	Ratio	AA	AAA	AA large
Sample text	13.45:1	Pass	Pass	Pass
Sample text	1.56:1	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 #23303D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #23303d; }
.text { color: #23303d; }
.border { border: 2px solid #23303d; }
.transparent { background-color: rgb(35 48 61 / 50%); }
.gradient { background: linear-gradient(to right, #23303d, #23233d); }

Background

Text color

Border

Similar colors

Questions

What color is #23303D?: #23303D is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the black family of colors.
What is the RGB value of #23303D?: The RGB value is 35, 48, 61: 35 red, 48 green and 61 blue on a 0 to 255 scale.
What is the complementary color of #23303D?: The complementary color is #3D3023, found by rotating the hue 180° on the color wheel.
Is black or white text better on #23303D?: White text. Black text has a contrast ratio of 1.56:1 and white text 13.45:1. WCAG asks for at least 4.5:1 for normal text.