What color is #12183E?

#12183E is a very dark, moderate blue, closest to the named color Infinite Night. It belongs to the black family of colors.

What is the RGB value of #12183E?

The RGB value is 18, 24, 62: 18 red, 24 green and 62 blue on a 0 to 255 scale.

What is the complementary color of #12183E?

The complementary color is #3E3812, found by rotating the hue 180° on the color wheel.

Is black or white text better on #12183E?

White text. Black text has a contrast ratio of 1.23:1 and white text 17.13:1. WCAG asks for at least 4.5:1 for normal text.

#12183E color

#12183E rgb(18, 24, 62)

Shades of black

The hex color #12183E is a very dark, moderate blue.

In the RGB color model it is made of 7.1% red, 9.4% green and 24.3% blue (18, 24, 62).

Its hue angle is 232°, with 55% saturation and 16% lightness. For print, the CMYK equivalent is 71% cyan, 61% magenta, 0% yellow and 76% black.

The closest named color is Infinite Night (#071037), a difference of 2.4 ΔE, a small difference.

White text is the more readable choice on this background (contrast 17.13:1).

#12183E color codes

HEX	`#12183E`
RGB	`rgb(18, 24, 62)`
RGB percent	`rgb(7.1%, 9.4%, 24.3%)`
HSL	`hsl(232, 55%, 16%)`
HSV / HSB	`hsv(232, 71%, 24%)`
CMYK	`cmyk(71%, 61%, 0%, 76%)`
CIE LAB	`lab(10.03, 11.69, -25.28)`
CIE LCH	`lch(10.03, 27.85, 294.82)`
CIE XYZ	`xyz(1.445, 1.13, 4.698)`
Decimal	`1185854`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #12183E, 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 #12183E	Ratio	AA	AAA	AA large
Sample text	1.23:1	Fail	Fail	Fail
Sample text	17.13:1	Pass	Pass	Pass

#12183E as text on	Ratio	AA	AAA	AA large
Sample text	17.13:1	Pass	Pass	Pass
Sample text	1.23:1	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 #12183E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #12183e; }
.text { color: #12183e; }
.border { border: 2px solid #12183e; }
.transparent { background-color: rgb(18 24 62 / 50%); }
.gradient { background: linear-gradient(to right, #12183e, #22123e); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #12183E?: #12183E is a very dark, moderate blue, closest to the named color Infinite Night. It belongs to the black family of colors.
What is the RGB value of #12183E?: The RGB value is 18, 24, 62: 18 red, 24 green and 62 blue on a 0 to 255 scale.
What is the complementary color of #12183E?: The complementary color is #3E3812, found by rotating the hue 180° on the color wheel.
Is black or white text better on #12183E?: White text. Black text has a contrast ratio of 1.23:1 and white text 17.13:1. WCAG asks for at least 4.5:1 for normal text.