What color is #303F55?

#303F55 is a dark, desaturated azure, closest to the named color Pi. It belongs to the blue family of colors.

What is the RGB value of #303F55?

The RGB value is 48, 63, 85: 48 red, 63 green and 85 blue on a 0 to 255 scale.

What is the complementary color of #303F55?

The complementary color is #554630, found by rotating the hue 180° on the color wheel.

Is black or white text better on #303F55?

White text. Black text has a contrast ratio of 1.97:1 and white text 10.67:1. WCAG asks for at least 4.5:1 for normal text.

#303F55 color

#303F55 rgb(48, 63, 85)

Shades of blue

The hex color #303F55 is a dark, desaturated azure.

In the RGB color model it is made of 18.8% red, 24.7% green and 33.3% blue (48, 63, 85).

Its hue angle is 216°, with 28% saturation and 26% lightness. For print, the CMYK equivalent is 44% cyan, 26% magenta, 0% yellow and 67% black.

The closest named color is Pi (#314159), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 10.67:1).

#303F55 color codes

HEX	`#303F55`
RGB	`rgb(48, 63, 85)`
RGB percent	`rgb(18.8%, 24.7%, 33.3%)`
HSL	`hsl(216, 28%, 26%)`
HSV / HSB	`hsv(216, 44%, 33%)`
CMYK	`cmyk(44%, 26%, 0%, 67%)`
CIE LAB	`lab(26.27, 0.48, -15.14)`
CIE LCH	`lch(26.27, 15.15, 271.81)`
CIE XYZ	`xyz(4.636, 4.839, 9.282)`
Decimal	`3161941`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #303F55, 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 #303F55	Ratio	AA	AAA	AA large
Sample text	1.97:1	Fail	Fail	Fail
Sample text	10.67:1	Pass	Pass	Pass

#303F55 as text on	Ratio	AA	AAA	AA large
Sample text	10.67:1	Pass	Pass	Pass
Sample text	1.97:1	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 #303F55 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #303f55; }
.text { color: #303f55; }
.border { border: 2px solid #303f55; }
.transparent { background-color: rgb(48 63 85 / 50%); }
.gradient { background: linear-gradient(to right, #303f55, #333055); }

Background

Text color

Border

Similar colors

Closest common color name: Charcoal.

Questions

What color is #303F55?: #303F55 is a dark, desaturated azure, closest to the named color Pi. It belongs to the blue family of colors.
What is the RGB value of #303F55?: The RGB value is 48, 63, 85: 48 red, 63 green and 85 blue on a 0 to 255 scale.
What is the complementary color of #303F55?: The complementary color is #554630, found by rotating the hue 180° on the color wheel.
Is black or white text better on #303F55?: White text. Black text has a contrast ratio of 1.97:1 and white text 10.67:1. WCAG asks for at least 4.5:1 for normal text.