What color is #1C39BB?

#1C39BB is a moderate blue known as Persian Blue. It belongs to the blue family of colors.

What is the RGB value of Persian Blue?

The RGB value is 28, 57, 187: 28 red, 57 green and 187 blue on a 0 to 255 scale.

What is the complementary color of Persian Blue?

The complementary color is #BB9E1C, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1C39BB?

White text. Black text has a contrast ratio of 2.35:1 and white text 8.93:1. WCAG asks for at least 4.5:1 for normal text.

Persian Blue color: hex code #1C39BB

#1C39BB rgb(28, 57, 187)

Shades of blue

Persian Blue has the hex code #1C39BB. It is a moderate blue.

In the RGB color model it is made of 11% red, 22.4% green and 73.3% blue (28, 57, 187).

Its hue angle is 229°, with 74% saturation and 42% lightness. For print, the CMYK equivalent is 85% cyan, 70% magenta, 0% yellow and 27% black.

White text is the more readable choice on this background (contrast 8.93:1).

Persian Blue (#1C39BB) color codes

HEX	`#1C39BB`
RGB	`rgb(28, 57, 187)`
RGB percent	`rgb(11%, 22.4%, 73.3%)`
HSL	`hsl(229, 74%, 42%)`
HSV / HSB	`hsv(229, 85%, 73%)`
CMYK	`cmyk(85%, 70%, 0%, 27%)`
CIE LAB	`lab(31.25, 39.31, -70.46)`
CIE LCH	`lch(31.25, 80.68, 299.15)`
CIE XYZ	`xyz(10.909, 6.76, 47.734)`
Decimal	`1849787`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Persian Blue, 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 #1C39BB	Ratio	AA	AAA	AA large
Sample text	2.35:1	Fail	Fail	Fail
Sample text	8.93:1	Pass	Pass	Pass

#1C39BB as text on	Ratio	AA	AAA	AA large
Sample text	8.93:1	Pass	Pass	Pass
Sample text	2.35:1	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 #1C39BB looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1c39bb; }
.text { color: #1c39bb; }
.border { border: 2px solid #1c39bb; }
.transparent { background-color: rgb(28 57 187 / 50%); }
.gradient { background: linear-gradient(to right, #1c39bb, #4f1cbb); }

Background

Text color

Border

Similar colors

See #1C39BB on its hex code page

Questions

What color is #1C39BB?: #1C39BB is a moderate blue known as Persian Blue. It belongs to the blue family of colors.
What is the RGB value of Persian Blue?: The RGB value is 28, 57, 187: 28 red, 57 green and 187 blue on a 0 to 255 scale.
What is the complementary color of Persian Blue?: The complementary color is #BB9E1C, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1C39BB?: White text. Black text has a contrast ratio of 2.35:1 and white text 8.93:1. WCAG asks for at least 4.5:1 for normal text.