What color is #1B4B6F?

#1B4B6F is a dark, moderate azure, closest to the named color Sea Paint. It belongs to the blue family of colors.

What is the RGB value of #1B4B6F?

The RGB value is 27, 75, 111: 27 red, 75 green and 111 blue on a 0 to 255 scale.

What is the complementary color of #1B4B6F?

The complementary color is #6F3F1B, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1B4B6F?

White text. Black text has a contrast ratio of 2.28:1 and white text 9.2:1. WCAG asks for at least 4.5:1 for normal text.

#1B4B6F color

#1B4B6F rgb(27, 75, 111)

Shades of blue

The hex color #1B4B6F is a dark, moderate azure.

In the RGB color model it is made of 10.6% red, 29.4% green and 43.5% blue (27, 75, 111).

Its hue angle is 206°, with 61% saturation and 27% lightness. For print, the CMYK equivalent is 76% cyan, 32% magenta, 0% yellow and 56% black.

The closest named color is Sea Paint (#00507A), a difference of 2.7 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.2:1).

#1B4B6F color codes

HEX	`#1B4B6F`
RGB	`rgb(27, 75, 111)`
RGB percent	`rgb(10.6%, 29.4%, 43.5%)`
HSL	`hsl(206, 61%, 27%)`
HSV / HSB	`hsv(206, 76%, 44%)`
CMYK	`cmyk(76%, 32%, 0%, 56%)`
CIE LAB	`lab(30.43, -2.87, -25.41)`
CIE LCH	`lch(30.43, 25.58, 263.56)`
CIE XYZ	`xyz(5.836, 6.412, 15.966)`
Decimal	`1788783`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1B4B6F, 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 #1B4B6F	Ratio	AA	AAA	AA large
Sample text	2.28:1	Fail	Fail	Fail
Sample text	9.2:1	Pass	Pass	Pass

#1B4B6F as text on	Ratio	AA	AAA	AA large
Sample text	9.2:1	Pass	Pass	Pass
Sample text	2.28:1	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 #1B4B6F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1b4b6f; }
.text { color: #1b4b6f; }
.border { border: 2px solid #1b4b6f; }
.transparent { background-color: rgb(27 75 111 / 50%); }
.gradient { background: linear-gradient(to right, #1b4b6f, #1b216f); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #1B4B6F?: #1B4B6F is a dark, moderate azure, closest to the named color Sea Paint. It belongs to the blue family of colors.
What is the RGB value of #1B4B6F?: The RGB value is 27, 75, 111: 27 red, 75 green and 111 blue on a 0 to 255 scale.
What is the complementary color of #1B4B6F?: The complementary color is #6F3F1B, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1B4B6F?: White text. Black text has a contrast ratio of 2.28:1 and white text 9.2:1. WCAG asks for at least 4.5:1 for normal text.