What color is #284B4B?

#284B4B is a dark, desaturated cyan, closest to the named color Dark Slate Gray. It belongs to the teal family of colors.

What is the RGB value of #284B4B?

The RGB value is 40, 75, 75: 40 red, 75 green and 75 blue on a 0 to 255 scale.

What is the complementary color of #284B4B?

The complementary color is #4B2828, found by rotating the hue 180° on the color wheel.

Is black or white text better on #284B4B?

White text. Black text has a contrast ratio of 2.2:1 and white text 9.55:1. WCAG asks for at least 4.5:1 for normal text.

#284B4B color

#284B4B rgb(40, 75, 75)

Shades of teal

The hex color #284B4B is a dark, desaturated cyan.

In the RGB color model it is made of 15.7% red, 29.4% green and 29.4% blue (40, 75, 75).

Its hue angle is 180°, with 30% saturation and 23% lightness. For print, the CMYK equivalent is 47% cyan, 0% magenta, 0% yellow and 71% black.

The closest named color is Dark Slate Gray (#2F4F4F), a difference of 1.6 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.55:1).

#284B4B color codes

HEX	`#284B4B`
RGB	`rgb(40, 75, 75)`
RGB percent	`rgb(15.7%, 29.4%, 29.4%)`
HSL	`hsl(180, 30%, 23%)`
HSV / HSB	`hsv(180, 47%, 29%)`
CMYK	`cmyk(47%, 0%, 0%, 71%)`
CIE LAB	`lab(29.39, -12.64, -3.97)`
CIE LCH	`lch(29.39, 13.24, 197.43)`
CIE XYZ	`xyz(4.661, 5.991, 7.566)`
Decimal	`2640715`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #284B4B, 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 #284B4B	Ratio	AA	AAA	AA large
Sample text	2.2:1	Fail	Fail	Fail
Sample text	9.55:1	Pass	Pass	Pass

#284B4B as text on	Ratio	AA	AAA	AA large
Sample text	9.55:1	Pass	Pass	Pass
Sample text	2.2:1	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 #284B4B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #284b4b; }
.text { color: #284b4b; }
.border { border: 2px solid #284b4b; }
.transparent { background-color: rgb(40 75 75 / 50%); }
.gradient { background: linear-gradient(to right, #284b4b, #283a4b); }

Background

Text color

Border

Similar colors

Questions

What color is #284B4B?: #284B4B is a dark, desaturated cyan, closest to the named color Dark Slate Gray. It belongs to the teal family of colors.
What is the RGB value of #284B4B?: The RGB value is 40, 75, 75: 40 red, 75 green and 75 blue on a 0 to 255 scale.
What is the complementary color of #284B4B?: The complementary color is #4B2828, found by rotating the hue 180° on the color wheel.
Is black or white text better on #284B4B?: White text. Black text has a contrast ratio of 2.2:1 and white text 9.55:1. WCAG asks for at least 4.5:1 for normal text.