What color is #1B3257?

#1B3257 is a dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.

What is the RGB value of #1B3257?

The RGB value is 27, 50, 87: 27 red, 50 green and 87 blue on a 0 to 255 scale.

What is the complementary color of #1B3257?

The complementary color is #57401B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B3257?

White text. Black text has a contrast ratio of 1.64:1 and white text 12.8:1. WCAG asks for at least 4.5:1 for normal text.

#1B3257 color

#1B3257 rgb(27, 50, 87)

Shades of blue

The hex color #1B3257 is a dark, moderate azure.

In the RGB color model it is made of 10.6% red, 19.6% green and 34.1% blue (27, 50, 87).

Its hue angle is 217°, with 53% saturation and 22% lightness. For print, the CMYK equivalent is 69% cyan, 43% magenta, 0% yellow and 66% black.

The closest named color is Midnight Ocean (#0F2D4D), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 12.8:1).

#1B3257 color codes

HEX	`#1B3257`
RGB	`rgb(27, 50, 87)`
RGB percent	`rgb(10.6%, 19.6%, 34.1%)`
HSL	`hsl(217, 53%, 22%)`
HSV / HSB	`hsv(217, 69%, 34%)`
CMYK	`cmyk(69%, 43%, 0%, 66%)`
CIE LAB	`lab(20.84, 4.54, -25.07)`
CIE LCH	`lch(20.84, 25.48, 280.27)`
CIE XYZ	`xyz(3.312, 3.202, 9.458)`
Decimal	`1782359`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B3257, 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 #1B3257	Ratio	AA	AAA	AA large
Sample text	1.64:1	Fail	Fail	Fail
Sample text	12.8:1	Pass	Pass	Pass

#1B3257 as text on	Ratio	AA	AAA	AA large
Sample text	12.8:1	Pass	Pass	Pass
Sample text	1.64:1	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 #1B3257 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b3257; }
.text { color: #1b3257; }
.border { border: 2px solid #1b3257; }
.transparent { background-color: rgb(27 50 87 / 50%); }
.gradient { background: linear-gradient(to right, #1b3257, #221b57); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1B3257?: #1B3257 is a dark, moderate azure, closest to the named color Midnight Ocean. It belongs to the blue family of colors.
What is the RGB value of #1B3257?: The RGB value is 27, 50, 87: 27 red, 50 green and 87 blue on a 0 to 255 scale.
What is the complementary color of #1B3257?: The complementary color is #57401B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B3257?: White text. Black text has a contrast ratio of 1.64:1 and white text 12.8:1. WCAG asks for at least 4.5:1 for normal text.