What color is #304A51?

#304A51 is a dark, desaturated cyan, closest to the named color Little Mermaid. It belongs to the gray family of colors.

What is the RGB value of #304A51?

The RGB value is 48, 74, 81: 48 red, 74 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #304A51?

The complementary color is #513730, found by rotating the hue 180° on the color wheel.

Is black or white text better on #304A51?

White text. Black text has a contrast ratio of 2.22:1 and white text 9.44:1. WCAG asks for at least 4.5:1 for normal text.

#304A51 color

#304A51 rgb(48, 74, 81)

Shades of gray

The hex color #304A51 is a dark, desaturated cyan.

In the RGB color model it is made of 18.8% red, 29% green and 31.8% blue (48, 74, 81).

Its hue angle is 193°, with 26% saturation and 25% lightness. For print, the CMYK equivalent is 41% cyan, 9% magenta, 0% yellow and 68% black.

The closest named color is Little Mermaid (#2D454A), a difference of 1.9 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.44:1).

#304A51 color codes

HEX	`#304A51`
RGB	`rgb(48, 74, 81)`
RGB percent	`rgb(18.8%, 29%, 31.8%)`
HSL	`hsl(193, 26%, 25%)`
HSV / HSB	`hsv(193, 41%, 32%)`
CMYK	`cmyk(41%, 9%, 0%, 68%)`
CIE LAB	`lab(29.71, -7.8, -7.3)`
CIE LCH	`lch(29.71, 10.69, 223.1)`
CIE XYZ	`xyz(5.152, 6.12, 8.693)`
Decimal	`3164753`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #304A51, 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 #304A51	Ratio	AA	AAA	AA large
Sample text	2.22:1	Fail	Fail	Fail
Sample text	9.44:1	Pass	Pass	Pass

#304A51 as text on	Ratio	AA	AAA	AA large
Sample text	9.44:1	Pass	Pass	Pass
Sample text	2.22:1	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 #304A51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #304a51; }
.text { color: #304a51; }
.border { border: 2px solid #304a51; }
.transparent { background-color: rgb(48 74 81 / 50%); }
.gradient { background: linear-gradient(to right, #304a51, #303951); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Gray.

Questions

What color is #304A51?: #304A51 is a dark, desaturated cyan, closest to the named color Little Mermaid. It belongs to the gray family of colors.
What is the RGB value of #304A51?: The RGB value is 48, 74, 81: 48 red, 74 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #304A51?: The complementary color is #513730, found by rotating the hue 180° on the color wheel.
Is black or white text better on #304A51?: White text. Black text has a contrast ratio of 2.22:1 and white text 9.44:1. WCAG asks for at least 4.5:1 for normal text.