What color is #15243D?

#15243D is a very dark, desaturated azure, closest to the named color Eternal Darkness. It belongs to the blue family of colors.

What is the RGB value of #15243D?

The RGB value is 21, 36, 61: 21 red, 36 green and 61 blue on a 0 to 255 scale.

What is the complementary color of #15243D?

The complementary color is #3D2E15, found by rotating the hue 180° on the color wheel.

Is black or white text better on #15243D?

White text. Black text has a contrast ratio of 1.35:1 and white text 15.54:1. WCAG asks for at least 4.5:1 for normal text.

#15243D color

#15243D rgb(21, 36, 61)

Shades of blue

The hex color #15243D is a very dark, desaturated azure.

In the RGB color model it is made of 8.2% red, 14.1% green and 23.9% blue (21, 36, 61).

Its hue angle is 218°, with 49% saturation and 16% lightness. For print, the CMYK equivalent is 66% cyan, 41% magenta, 0% yellow and 76% black.

The closest named color is Eternal Darkness (#1C2841), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 15.54:1).

#15243D color codes

HEX	`#15243D`
RGB	`rgb(21, 36, 61)`
RGB percent	`rgb(8.2%, 14.1%, 23.9%)`
HSL	`hsl(218, 49%, 16%)`
HSV / HSB	`hsv(218, 66%, 24%)`
CMYK	`cmyk(66%, 41%, 0%, 76%)`
CIE LAB	`lab(14.16, 2.82, -17.95)`
CIE LCH	`lch(14.16, 18.17, 278.94)`
CIE XYZ	`xyz(1.782, 1.758, 4.659)`
Decimal	`1385533`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #15243D, 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 #15243D	Ratio	AA	AAA	AA large
Sample text	1.35:1	Fail	Fail	Fail
Sample text	15.54:1	Pass	Pass	Pass

#15243D as text on	Ratio	AA	AAA	AA large
Sample text	15.54:1	Pass	Pass	Pass
Sample text	1.35:1	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 #15243D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #15243d; }
.text { color: #15243d; }
.border { border: 2px solid #15243d; }
.transparent { background-color: rgb(21 36 61 / 50%); }
.gradient { background: linear-gradient(to right, #15243d, #1a153d); }

Background

Text color

Border

Similar colors

Questions

What color is #15243D?: #15243D is a very dark, desaturated azure, closest to the named color Eternal Darkness. It belongs to the blue family of colors.
What is the RGB value of #15243D?: The RGB value is 21, 36, 61: 21 red, 36 green and 61 blue on a 0 to 255 scale.
What is the complementary color of #15243D?: The complementary color is #3D2E15, found by rotating the hue 180° on the color wheel.
Is black or white text better on #15243D?: White text. Black text has a contrast ratio of 1.35:1 and white text 15.54:1. WCAG asks for at least 4.5:1 for normal text.