What color is #253A51?

#253A51 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.

What is the RGB value of #253A51?

The RGB value is 37, 58, 81: 37 red, 58 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #253A51?

The complementary color is #513C25, found by rotating the hue 180° on the color wheel.

Is black or white text better on #253A51?

White text. Black text has a contrast ratio of 1.8:1 and white text 11.65:1. WCAG asks for at least 4.5:1 for normal text.

#253A51 color

#253A51 rgb(37, 58, 81)

Shades of blue

The hex color #253A51 is a dark, desaturated azure.

In the RGB color model it is made of 14.5% red, 22.7% green and 31.8% blue (37, 58, 81).

Its hue angle is 211°, with 37% saturation and 23% lightness. For print, the CMYK equivalent is 54% cyan, 28% magenta, 0% yellow and 68% black.

The closest named color is Nautilus (#273C5A), a difference of 3 ΔE, a small difference.

White text is the more readable choice on this background (contrast 11.65:1).

#253A51 color codes

HEX	`#253A51`
RGB	`rgb(37, 58, 81)`
RGB percent	`rgb(14.5%, 22.7%, 31.8%)`
HSL	`hsl(211, 37%, 23%)`
HSV / HSB	`hsv(211, 54%, 32%)`
CMYK	`cmyk(54%, 28%, 0%, 68%)`
CIE LAB	`lab(23.72, -0.81, -16.53)`
CIE LCH	`lch(23.72, 16.55, 267.2)`
CIE XYZ	`xyz(3.761, 4.013, 8.359)`
Decimal	`2439761`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #253A51, 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 #253A51	Ratio	AA	AAA	AA large
Sample text	1.8:1	Fail	Fail	Fail
Sample text	11.65:1	Pass	Pass	Pass

#253A51 as text on	Ratio	AA	AAA	AA large
Sample text	11.65:1	Pass	Pass	Pass
Sample text	1.8:1	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 #253A51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #253a51; }
.text { color: #253a51; }
.border { border: 2px solid #253a51; }
.transparent { background-color: rgb(37 58 81 / 50%); }
.gradient { background: linear-gradient(to right, #253a51, #262551); }

Background

Text color

Border

Similar colors

Closest common color name: Prussian Blue.

Questions

What color is #253A51?: #253A51 is a dark, desaturated azure, closest to the named color Nautilus. It belongs to the blue family of colors.
What is the RGB value of #253A51?: The RGB value is 37, 58, 81: 37 red, 58 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #253A51?: The complementary color is #513C25, found by rotating the hue 180° on the color wheel.
Is black or white text better on #253A51?: White text. Black text has a contrast ratio of 1.8:1 and white text 11.65:1. WCAG asks for at least 4.5:1 for normal text.