What color is #1B489F?

#1B489F is a dark, moderate azure, closest to the named color Cascade Twilight. It belongs to the blue family of colors.

What is the RGB value of #1B489F?

The RGB value is 27, 72, 159: 27 red, 72 green and 159 blue on a 0 to 255 scale.

What is the complementary color of #1B489F?

The complementary color is #9F721B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B489F?

White text. Black text has a contrast ratio of 2.47:1 and white text 8.49:1. WCAG asks for at least 4.5:1 for normal text.

#1B489F color

#1B489F rgb(27, 72, 159)

Shades of blue

The hex color #1B489F is a dark, moderate azure.

In the RGB color model it is made of 10.6% red, 28.2% green and 62.4% blue (27, 72, 159).

Its hue angle is 220°, with 71% saturation and 36% lightness. For print, the CMYK equivalent is 83% cyan, 55% magenta, 0% yellow and 38% black.

The closest named color is Cascade Twilight (#234893), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.49:1).

#1B489F color codes

HEX	`#1B489F`
RGB	`rgb(27, 72, 159)`
RGB percent	`rgb(10.6%, 28.2%, 62.4%)`
HSL	`hsl(220, 71%, 36%)`
HSV / HSB	`hsv(220, 83%, 62%)`
CMYK	`cmyk(83%, 55%, 0%, 38%)`
CIE LAB	`lab(32.63, 18.48, -51.49)`
CIE LCH	`lch(32.63, 54.7, 289.74)`
CIE XYZ	`xyz(9.025, 7.37, 33.741)`
Decimal	`1788063`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B489F, 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 #1B489F	Ratio	AA	AAA	AA large
Sample text	2.47:1	Fail	Fail	Fail
Sample text	8.49:1	Pass	Pass	Pass

#1B489F as text on	Ratio	AA	AAA	AA large
Sample text	8.49:1	Pass	Pass	Pass
Sample text	2.47:1	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 #1B489F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b489f; }
.text { color: #1b489f; }
.border { border: 2px solid #1b489f; }
.transparent { background-color: rgb(27 72 159 / 50%); }
.gradient { background: linear-gradient(to right, #1b489f, #301b9f); }

Background

Text color

Border

Similar colors

Questions

What color is #1B489F?: #1B489F is a dark, moderate azure, closest to the named color Cascade Twilight. It belongs to the blue family of colors.
What is the RGB value of #1B489F?: The RGB value is 27, 72, 159: 27 red, 72 green and 159 blue on a 0 to 255 scale.
What is the complementary color of #1B489F?: The complementary color is #9F721B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B489F?: White text. Black text has a contrast ratio of 2.47:1 and white text 8.49:1. WCAG asks for at least 4.5:1 for normal text.