What color is #243B3C?

#243B3C is a very dark, desaturated cyan, closest to the named color Royal Neptune. It belongs to the gray family of colors.

What is the RGB value of #243B3C?

The RGB value is 36, 59, 60: 36 red, 59 green and 60 blue on a 0 to 255 scale.

What is the complementary color of #243B3C?

The complementary color is #3C2524, found by rotating the hue 180° on the color wheel.

Is black or white text better on #243B3C?

White text. Black text has a contrast ratio of 1.77:1 and white text 11.89:1. WCAG asks for at least 4.5:1 for normal text.

#243B3C color

#243B3C rgb(36, 59, 60)

Shades of gray

The hex color #243B3C is a very dark, desaturated cyan.

In the RGB color model it is made of 14.1% red, 23.1% green and 23.5% blue (36, 59, 60).

Its hue angle is 183°, with 25% saturation and 19% lightness. For print, the CMYK equivalent is 40% cyan, 2% magenta, 0% yellow and 76% black.

The closest named color is Royal Neptune (#1C3B42), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.89:1).

#243B3C color codes

HEX	`#243B3C`
RGB	`rgb(36, 59, 60)`
RGB percent	`rgb(14.1%, 23.1%, 23.5%)`
HSL	`hsl(183, 25%, 19%)`
HSV / HSB	`hsv(183, 40%, 24%)`
CMYK	`cmyk(40%, 2%, 0%, 76%)`
CIE LAB	`lab(23.1, -8.66, -3.48)`
CIE LCH	`lch(23.1, 9.33, 201.92)`
CIE XYZ	`xyz(3.107, 3.829, 4.849)`
Decimal	`2374460`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #243B3C, 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 #243B3C	Ratio	AA	AAA	AA large
Sample text	1.77:1	Fail	Fail	Fail
Sample text	11.89:1	Pass	Pass	Pass

#243B3C as text on	Ratio	AA	AAA	AA large
Sample text	11.89:1	Pass	Pass	Pass
Sample text	1.77:1	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 #243B3C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #243b3c; }
.text { color: #243b3c; }
.border { border: 2px solid #243b3c; }
.transparent { background-color: rgb(36 59 60 / 50%); }
.gradient { background: linear-gradient(to right, #243b3c, #242f3c); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #243B3C?: #243B3C is a very dark, desaturated cyan, closest to the named color Royal Neptune. It belongs to the gray family of colors.
What is the RGB value of #243B3C?: The RGB value is 36, 59, 60: 36 red, 59 green and 60 blue on a 0 to 255 scale.
What is the complementary color of #243B3C?: The complementary color is #3C2524, found by rotating the hue 180° on the color wheel.
Is black or white text better on #243B3C?: White text. Black text has a contrast ratio of 1.77:1 and white text 11.89:1. WCAG asks for at least 4.5:1 for normal text.