What color is #1B3C7C?

#1B3C7C is a dark, moderate azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.

What is the RGB value of #1B3C7C?

The RGB value is 27, 60, 124: 27 red, 60 green and 124 blue on a 0 to 255 scale.

What is the complementary color of #1B3C7C?

The complementary color is #7C5B1B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B3C7C?

White text. Black text has a contrast ratio of 1.98:1 and white text 10.58:1. WCAG asks for at least 4.5:1 for normal text.

#1B3C7C color

#1B3C7C rgb(27, 60, 124)

Shades of blue

The hex color #1B3C7C is a dark, moderate azure.

In the RGB color model it is made of 10.6% red, 23.5% green and 48.6% blue (27, 60, 124).

Its hue angle is 220°, with 64% saturation and 30% lightness. For print, the CMYK equivalent is 78% cyan, 52% magenta, 0% yellow and 51% black.

The closest named color is Atlantic Navy (#13336F), a difference of 3.1 ΔE, a small difference.

White text is the more readable choice on this background (contrast 10.58:1).

#1B3C7C color codes

HEX	`#1B3C7C`
RGB	`rgb(27, 60, 124)`
RGB percent	`rgb(10.6%, 23.5%, 48.6%)`
HSL	`hsl(220, 64%, 30%)`
HSV / HSB	`hsv(220, 78%, 49%)`
CMYK	`cmyk(78%, 52%, 0%, 51%)`
CIE LAB	`lab(26.5, 12.56, -39.86)`
CIE LCH	`lch(26.5, 41.79, 287.49)`
CIE XYZ	`xyz(5.705, 4.919, 19.714)`
Decimal	`1784956`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B3C7C, 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 #1B3C7C	Ratio	AA	AAA	AA large
Sample text	1.98:1	Fail	Fail	Fail
Sample text	10.58:1	Pass	Pass	Pass

#1B3C7C as text on	Ratio	AA	AAA	AA large
Sample text	10.58:1	Pass	Pass	Pass
Sample text	1.98:1	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 #1B3C7C looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b3c7c; }
.text { color: #1b3c7c; }
.border { border: 2px solid #1b3c7c; }
.transparent { background-color: rgb(27 60 124 / 50%); }
.gradient { background: linear-gradient(to right, #1b3c7c, #2a1b7c); }

Background

Text color

Border

Similar colors

Closest common color name: Cobalt Blue.

Questions

What color is #1B3C7C?: #1B3C7C is a dark, moderate azure, closest to the named color Atlantic Navy. It belongs to the blue family of colors.
What is the RGB value of #1B3C7C?: The RGB value is 27, 60, 124: 27 red, 60 green and 124 blue on a 0 to 255 scale.
What is the complementary color of #1B3C7C?: The complementary color is #7C5B1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B3C7C?: White text. Black text has a contrast ratio of 1.98:1 and white text 10.58:1. WCAG asks for at least 4.5:1 for normal text.