What color is #183E85?

#183E85 is a dark, moderate azure, closest to the named color Maritime Outpost. It belongs to the blue family of colors.

What is the RGB value of #183E85?

The RGB value is 24, 62, 133: 24 red, 62 green and 133 blue on a 0 to 255 scale.

What is the complementary color of #183E85?

The complementary color is #855F18, found by rotating the hue 180° on the color wheel.

Is black or white text better on #183E85?

White text. Black text has a contrast ratio of 2.07:1 and white text 10.16:1. WCAG asks for at least 4.5:1 for normal text.

#183E85 color

#183E85 rgb(24, 62, 133)

Shades of blue

The hex color #183E85 is a dark, moderate azure.

In the RGB color model it is made of 9.4% red, 24.3% green and 52.2% blue (24, 62, 133).

Its hue angle is 219°, with 69% saturation and 31% lightness. For print, the CMYK equivalent is 82% cyan, 53% magenta, 0% yellow and 48% black.

The closest named color is Maritime Outpost (#1E4581), a difference of 2.6 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.16:1).

#183E85 color codes

HEX	`#183E85`
RGB	`rgb(24, 62, 133)`
RGB percent	`rgb(9.4%, 24.3%, 52.2%)`
HSL	`hsl(219, 69%, 31%)`
HSV / HSB	`hsv(219, 82%, 52%)`
CMYK	`cmyk(82%, 53%, 0%, 48%)`
CIE LAB	`lab(27.66, 14.49, -43.63)`
CIE LCH	`lch(27.66, 45.97, 288.38)`
CIE XYZ	`xyz(6.331, 5.332, 22.881)`
Decimal	`1588869`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #183E85, 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 #183E85	Ratio	AA	AAA	AA large
Sample text	2.07:1	Fail	Fail	Fail
Sample text	10.16:1	Pass	Pass	Pass

#183E85 as text on	Ratio	AA	AAA	AA large
Sample text	10.16:1	Pass	Pass	Pass
Sample text	2.07:1	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 #183E85 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #183e85; }
.text { color: #183e85; }
.border { border: 2px solid #183e85; }
.transparent { background-color: rgb(24 62 133 / 50%); }
.gradient { background: linear-gradient(to right, #183e85, #281885); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #183E85?: #183E85 is a dark, moderate azure, closest to the named color Maritime Outpost. It belongs to the blue family of colors.
What is the RGB value of #183E85?: The RGB value is 24, 62, 133: 24 red, 62 green and 133 blue on a 0 to 255 scale.
What is the complementary color of #183E85?: The complementary color is #855F18, found by rotating the hue 180° on the color wheel.
Is black or white text better on #183E85?: White text. Black text has a contrast ratio of 2.07:1 and white text 10.16:1. WCAG asks for at least 4.5:1 for normal text.