What color is #23457B?

#23457B 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 #23457B?

The RGB value is 35, 69, 123: 35 red, 69 green and 123 blue on a 0 to 255 scale.

What is the complementary color of #23457B?

The complementary color is #7B5923, found by rotating the hue 180° on the color wheel.

Is black or white text better on #23457B?

White text. Black text has a contrast ratio of 2.21:1 and white text 9.51:1. WCAG asks for at least 4.5:1 for normal text.

#23457B color

#23457B rgb(35, 69, 123)

Shades of blue

The hex color #23457B is a dark, moderate azure.

In the RGB color model it is made of 13.7% red, 27.1% green and 48.2% blue (35, 69, 123).

Its hue angle is 217°, with 56% saturation and 31% lightness. For print, the CMYK equivalent is 72% cyan, 44% magenta, 0% yellow and 52% black.

The closest named color is Maritime Outpost (#1E4581), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.51:1).

#23457B color codes

HEX	`#23457B`
RGB	`rgb(35, 69, 123)`
RGB percent	`rgb(13.7%, 27.1%, 48.2%)`
HSL	`hsl(217, 56%, 31%)`
HSV / HSB	`hsv(217, 72%, 48%)`
CMYK	`cmyk(72%, 44%, 0%, 52%)`
CIE LAB	`lab(29.52, 7.15, -34.37)`
CIE LCH	`lch(29.52, 35.11, 281.76)`
CIE XYZ	`xyz(6.395, 6.043, 19.564)`
Decimal	`2311547`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #23457B, 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 #23457B	Ratio	AA	AAA	AA large
Sample text	2.21:1	Fail	Fail	Fail
Sample text	9.51:1	Pass	Pass	Pass

#23457B as text on	Ratio	AA	AAA	AA large
Sample text	9.51:1	Pass	Pass	Pass
Sample text	2.21:1	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 #23457B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #23457b; }
.text { color: #23457b; }
.border { border: 2px solid #23457b; }
.transparent { background-color: rgb(35 69 123 / 50%); }
.gradient { background: linear-gradient(to right, #23457b, #2d237b); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #23457B?: #23457B 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 #23457B?: The RGB value is 35, 69, 123: 35 red, 69 green and 123 blue on a 0 to 255 scale.
What is the complementary color of #23457B?: The complementary color is #7B5923, found by rotating the hue 180° on the color wheel.
Is black or white text better on #23457B?: White text. Black text has a contrast ratio of 2.21:1 and white text 9.51:1. WCAG asks for at least 4.5:1 for normal text.