What color is #255B78?

#255B78 is a dark, moderate azure, closest to the named color Nautical Creatures. It belongs to the blue family of colors.

What is the RGB value of #255B78?

The RGB value is 37, 91, 120: 37 red, 91 green and 120 blue on a 0 to 255 scale.

What is the complementary color of #255B78?

The complementary color is #784225, found by rotating the hue 180° on the color wheel.

Is black or white text better on #255B78?

White text. Black text has a contrast ratio of 2.85:1 and white text 7.38:1. WCAG asks for at least 4.5:1 for normal text.

#255B78 color

#255B78 rgb(37, 91, 120)

Shades of blue

The hex color #255B78 is a dark, moderate azure.

In the RGB color model it is made of 14.5% red, 35.7% green and 47.1% blue (37, 91, 120).

Its hue angle is 201°, with 53% saturation and 31% lightness. For print, the CMYK equivalent is 69% cyan, 24% magenta, 0% yellow and 53% black.

The closest named color is Nautical Creatures (#295C7A), a difference of 0.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 7.38:1).

#255B78 color codes

HEX	`#255B78`
RGB	`rgb(37, 91, 120)`
RGB percent	`rgb(14.5%, 35.7%, 47.1%)`
HSL	`hsl(201, 53%, 31%)`
HSV / HSB	`hsv(201, 69%, 47%)`
CMYK	`cmyk(69%, 24%, 0%, 53%)`
CIE LAB	`lab(36.42, -7.83, -21.63)`
CIE LCH	`lch(36.42, 23, 250.1)`
CIE XYZ	`xyz(7.893, 9.231, 19.131)`
Decimal	`2448248`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #255B78, 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 #255B78	Ratio	AA	AAA	AA large
Sample text	2.85:1	Fail	Fail	Fail
Sample text	7.38:1	Pass	Pass	Pass

#255B78 as text on	Ratio	AA	AAA	AA large
Sample text	7.38:1	Pass	Pass	Pass
Sample text	2.85:1	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 #255B78 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #255b78; }
.text { color: #255b78; }
.border { border: 2px solid #255b78; }
.transparent { background-color: rgb(37 91 120 / 50%); }
.gradient { background: linear-gradient(to right, #255b78, #253278); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #255B78?: #255B78 is a dark, moderate azure, closest to the named color Nautical Creatures. It belongs to the blue family of colors.
What is the RGB value of #255B78?: The RGB value is 37, 91, 120: 37 red, 91 green and 120 blue on a 0 to 255 scale.
What is the complementary color of #255B78?: The complementary color is #784225, found by rotating the hue 180° on the color wheel.
Is black or white text better on #255B78?: White text. Black text has a contrast ratio of 2.85:1 and white text 7.38:1. WCAG asks for at least 4.5:1 for normal text.