What color is #1B3F6D?

#1B3F6D is a dark, moderate azure, closest to the named color Aegean Blue. It belongs to the blue family of colors.

What is the RGB value of #1B3F6D?

The RGB value is 27, 63, 109: 27 red, 63 green and 109 blue on a 0 to 255 scale.

What is the complementary color of #1B3F6D?

The complementary color is #6D491B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B3F6D?

White text. Black text has a contrast ratio of 1.98:1 and white text 10.61:1. WCAG asks for at least 4.5:1 for normal text.

#1B3F6D color

#1B3F6D rgb(27, 63, 109)

Shades of blue

The hex color #1B3F6D is a dark, moderate azure.

In the RGB color model it is made of 10.6% red, 24.7% green and 42.7% blue (27, 63, 109).

Its hue angle is 214°, with 60% saturation and 27% lightness. For print, the CMYK equivalent is 75% cyan, 42% magenta, 0% yellow and 57% black.

The closest named color is Aegean Blue (#1B416F), a difference of 0.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.61:1).

#1B3F6D color codes

HEX	`#1B3F6D`
RGB	`rgb(27, 63, 109)`
RGB percent	`rgb(10.6%, 24.7%, 42.7%)`
HSL	`hsl(214, 60%, 27%)`
HSV / HSB	`hsv(214, 75%, 43%)`
CMYK	`cmyk(75%, 42%, 0%, 57%)`
CIE LAB	`lab(26.42, 4.35, -30.48)`
CIE LCH	`lch(26.42, 30.79, 278.11)`
CIE XYZ	`xyz(4.989, 4.892, 15.146)`
Decimal	`1785709`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B3F6D, 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 #1B3F6D	Ratio	AA	AAA	AA large
Sample text	1.98:1	Fail	Fail	Fail
Sample text	10.61:1	Pass	Pass	Pass

#1B3F6D as text on	Ratio	AA	AAA	AA large
Sample text	10.61:1	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 #1B3F6D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b3f6d; }
.text { color: #1b3f6d; }
.border { border: 2px solid #1b3f6d; }
.transparent { background-color: rgb(27 63 109 / 50%); }
.gradient { background: linear-gradient(to right, #1b3f6d, #201b6d); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1B3F6D?: #1B3F6D is a dark, moderate azure, closest to the named color Aegean Blue. It belongs to the blue family of colors.
What is the RGB value of #1B3F6D?: The RGB value is 27, 63, 109: 27 red, 63 green and 109 blue on a 0 to 255 scale.
What is the complementary color of #1B3F6D?: The complementary color is #6D491B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B3F6D?: White text. Black text has a contrast ratio of 1.98:1 and white text 10.61:1. WCAG asks for at least 4.5:1 for normal text.