What color is #181530?

#181530 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.

What is the RGB value of #181530?

The RGB value is 24, 21, 48: 24 red, 21 green and 48 blue on a 0 to 255 scale.

What is the complementary color of #181530?

The complementary color is #2D3015, found by rotating the hue 180° on the color wheel.

Is black or white text better on #181530?

White text. Black text has a contrast ratio of 1.19:1 and white text 17.67:1. WCAG asks for at least 4.5:1 for normal text.

#181530 color

#181530 rgb(24, 21, 48)

Shades of black

The hex color #181530 is a very dark, desaturated blue.

In the RGB color model it is made of 9.4% red, 8.2% green and 18.8% blue (24, 21, 48).

Its hue angle is 247°, with 39% saturation and 14% lightness. For print, the CMYK equivalent is 50% cyan, 56% magenta, 0% yellow and 81% black.

The closest named color is Dark Knight (#151931), a difference of 3.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.67:1).

#181530 color codes

HEX	`#181530`
RGB	`rgb(24, 21, 48)`
RGB percent	`rgb(9.4%, 8.2%, 18.8%)`
HSL	`hsl(247, 39%, 14%)`
HSV / HSB	`hsv(247, 56%, 19%)`
CMYK	`cmyk(50%, 56%, 0%, 81%)`
CIE LAB	`lab(8.51, 10.05, -17.57)`
CIE LCH	`lch(8.51, 20.24, 299.77)`
CIE XYZ	`xyz(1.178, 0.944, 2.916)`
Decimal	`1578288`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #181530, 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 #181530	Ratio	AA	AAA	AA large
Sample text	1.19:1	Fail	Fail	Fail
Sample text	17.67:1	Pass	Pass	Pass

#181530 as text on	Ratio	AA	AAA	AA large
Sample text	17.67:1	Pass	Pass	Pass
Sample text	1.19:1	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 #181530 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #181530; }
.text { color: #181530; }
.border { border: 2px solid #181530; }
.transparent { background-color: rgb(24 21 48 / 50%); }
.gradient { background: linear-gradient(to right, #181530, #251530); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Purple.

Questions

What color is #181530?: #181530 is a very dark, desaturated blue, closest to the named color Dark Knight. It belongs to the black family of colors.
What is the RGB value of #181530?: The RGB value is 24, 21, 48: 24 red, 21 green and 48 blue on a 0 to 255 scale.
What is the complementary color of #181530?: The complementary color is #2D3015, found by rotating the hue 180° on the color wheel.
Is black or white text better on #181530?: White text. Black text has a contrast ratio of 1.19:1 and white text 17.67:1. WCAG asks for at least 4.5:1 for normal text.