What color is #2D4F51?

#2D4F51 is a dark, desaturated cyan, closest to the named color Dark Slate Gray. It belongs to the gray family of colors.

What is the RGB value of #2D4F51?

The RGB value is 45, 79, 81: 45 red, 79 green and 81 blue on a 0 to 255 scale.

What is the complementary color of #2D4F51?

The complementary color is #512F2D, found by rotating the hue 180° on the color wheel.

Is black or white text better on #2D4F51?

White text. Black text has a contrast ratio of 2.35:1 and white text 8.94:1. WCAG asks for at least 4.5:1 for normal text.

#2D4F51 color

#2D4F51 rgb(45, 79, 81)

Shades of gray

The hex color #2D4F51 is a dark, desaturated cyan.

In the RGB color model it is made of 17.6% red, 31% green and 31.8% blue (45, 79, 81).

Its hue angle is 183°, with 29% saturation and 25% lightness. For print, the CMYK equivalent is 44% cyan, 2% magenta, 0% yellow and 68% black.

The closest named color is Dark Slate Gray (#2F4F4F), a difference of 1.1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.94:1).

#2D4F51 color codes

HEX	`#2D4F51`
RGB	`rgb(45, 79, 81)`
RGB percent	`rgb(17.6%, 31%, 31.8%)`
HSL	`hsl(183, 29%, 25%)`
HSV / HSB	`hsv(183, 44%, 32%)`
CMYK	`cmyk(44%, 2%, 0%, 68%)`
CIE LAB	`lab(31.22, -11.74, -5.07)`
CIE LCH	`lch(31.22, 12.79, 203.36)`
CIE XYZ	`xyz(5.363, 6.744, 8.802)`
Decimal	`2969425`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #2D4F51, 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 #2D4F51	Ratio	AA	AAA	AA large
Sample text	2.35:1	Fail	Fail	Fail
Sample text	8.94:1	Pass	Pass	Pass

#2D4F51 as text on	Ratio	AA	AAA	AA large
Sample text	8.94:1	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 #2D4F51 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #2d4f51; }
.text { color: #2d4f51; }
.border { border: 2px solid #2d4f51; }
.transparent { background-color: rgb(45 79 81 / 50%); }
.gradient { background: linear-gradient(to right, #2d4f51, #2d3d51); }

Background

Text color

Border

Similar colors

Questions

What color is #2D4F51?: #2D4F51 is a dark, desaturated cyan, closest to the named color Dark Slate Gray. It belongs to the gray family of colors.
What is the RGB value of #2D4F51?: The RGB value is 45, 79, 81: 45 red, 79 green and 81 blue on a 0 to 255 scale.
What is the complementary color of #2D4F51?: The complementary color is #512F2D, found by rotating the hue 180° on the color wheel.
Is black or white text better on #2D4F51?: White text. Black text has a contrast ratio of 2.35:1 and white text 8.94:1. WCAG asks for at least 4.5:1 for normal text.