What color is #18364A?

#18364A is a very dark, moderate azure, closest to the named color Sea of Stars. It belongs to the blue family of colors.

What is the RGB value of #18364A?

The RGB value is 24, 54, 74: 24 red, 54 green and 74 blue on a 0 to 255 scale.

What is the complementary color of #18364A?

The complementary color is #4A2C18, found by rotating the hue 180° on the color wheel.

Is black or white text better on #18364A?

White text. Black text has a contrast ratio of 1.67:1 and white text 12.61:1. WCAG asks for at least 4.5:1 for normal text.

#18364A color

#18364A rgb(24, 54, 74)

Shades of blue

The hex color #18364A is a very dark, moderate azure.

In the RGB color model it is made of 9.4% red, 21.2% green and 29% blue (24, 54, 74).

Its hue angle is 204°, with 51% saturation and 19% lightness. For print, the CMYK equivalent is 68% cyan, 27% magenta, 0% yellow and 71% black.

The closest named color is Sea of Stars (#0B334D), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.61:1).

#18364A color codes

HEX	`#18364A`
RGB	`rgb(24, 54, 74)`
RGB percent	`rgb(9.4%, 21.2%, 29%)`
HSL	`hsl(204, 51%, 19%)`
HSV / HSB	`hsv(204, 68%, 29%)`
CMYK	`cmyk(68%, 27%, 0%, 71%)`
CIE LAB	`lab(21.31, -4.01, -15.66)`
CIE LCH	`lch(21.31, 16.17, 255.65)`
CIE XYZ	`xyz(2.931, 3.327, 6.965)`
Decimal	`1586762`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #18364A, 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 #18364A	Ratio	AA	AAA	AA large
Sample text	1.67:1	Fail	Fail	Fail
Sample text	12.61:1	Pass	Pass	Pass

#18364A as text on	Ratio	AA	AAA	AA large
Sample text	12.61:1	Pass	Pass	Pass
Sample text	1.67:1	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 #18364A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #18364a; }
.text { color: #18364a; }
.border { border: 2px solid #18364a; }
.transparent { background-color: rgb(24 54 74 / 50%); }
.gradient { background: linear-gradient(to right, #18364a, #181d4a); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #18364A?: #18364A is a very dark, moderate azure, closest to the named color Sea of Stars. It belongs to the blue family of colors.
What is the RGB value of #18364A?: The RGB value is 24, 54, 74: 24 red, 54 green and 74 blue on a 0 to 255 scale.
What is the complementary color of #18364A?: The complementary color is #4A2C18, found by rotating the hue 180° on the color wheel.
Is black or white text better on #18364A?: White text. Black text has a contrast ratio of 1.67:1 and white text 12.61:1. WCAG asks for at least 4.5:1 for normal text.