What color is #304D4B?

#304D4B is a dark, grayish cyan, closest to the named color Dark Slate Gray. It belongs to the gray family of colors.

What is the RGB value of #304D4B?

The RGB value is 48, 77, 75: 48 red, 77 green and 75 blue on a 0 to 255 scale.

What is the complementary color of #304D4B?

The complementary color is #4D3032, found by rotating the hue 180° on the color wheel.

Is black or white text better on #304D4B?

White text. Black text has a contrast ratio of 2.29:1 and white text 9.18:1. WCAG asks for at least 4.5:1 for normal text.

#304D4B color

#304D4B rgb(48, 77, 75)

Shades of gray

The hex color #304D4B is a dark, grayish cyan.

In the RGB color model it is made of 18.8% red, 30.2% green and 29.4% blue (48, 77, 75).

Its hue angle is 176°, with 23% saturation and 25% lightness. For print, the CMYK equivalent is 38% cyan, 0% magenta, 3% yellow and 70% black.

The closest named color is Dark Slate Gray (#2F4F4F), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 9.18:1).

#304D4B color codes

HEX	`#304D4B`
RGB	`rgb(48, 77, 75)`
RGB percent	`rgb(18.8%, 30.2%, 29.4%)`
HSL	`hsl(176, 23%, 25%)`
HSV / HSB	`hsv(176, 38%, 30%)`
CMYK	`cmyk(38%, 0%, 3%, 70%)`
CIE LAB	`lab(30.51, -11.35, -2.27)`
CIE LCH	`lch(30.51, 11.57, 191.29)`
CIE XYZ	`xyz(5.142, 6.444, 7.628)`
Decimal	`3165515`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #304D4B, 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 #304D4B	Ratio	AA	AAA	AA large
Sample text	2.29:1	Fail	Fail	Fail
Sample text	9.18:1	Pass	Pass	Pass

#304D4B as text on	Ratio	AA	AAA	AA large
Sample text	9.18:1	Pass	Pass	Pass
Sample text	2.29:1	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 #304D4B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #304d4b; }
.text { color: #304d4b; }
.border { border: 2px solid #304d4b; }
.transparent { background-color: rgb(48 77 75 / 50%); }
.gradient { background: linear-gradient(to right, #304d4b, #30414d); }

Background

Text color

Border

Similar colors

Questions

What color is #304D4B?: #304D4B is a dark, grayish cyan, closest to the named color Dark Slate Gray. It belongs to the gray family of colors.
What is the RGB value of #304D4B?: The RGB value is 48, 77, 75: 48 red, 77 green and 75 blue on a 0 to 255 scale.
What is the complementary color of #304D4B?: The complementary color is #4D3032, found by rotating the hue 180° on the color wheel.
Is black or white text better on #304D4B?: White text. Black text has a contrast ratio of 2.29:1 and white text 9.18:1. WCAG asks for at least 4.5:1 for normal text.