What color is #004F5B?

#004F5B is a very dark, vivid cyan, closest to the named color Nocturnal Expedition. It belongs to the teal family of colors.

What is the RGB value of #004F5B?

The RGB value is 0, 79, 91: 0 red, 79 green and 91 blue on a 0 to 255 scale.

What is the complementary color of #004F5B?

The complementary color is #5B0C00, found by rotating the hue 180° on the color wheel.

Is black or white text better on #004F5B?

White text. Black text has a contrast ratio of 2.27:1 and white text 9.25:1. WCAG asks for at least 4.5:1 for normal text.

#004F5B color

#004F5B rgb(0, 79, 91)

Shades of teal

The hex color #004F5B is a very dark, vivid cyan.

In the RGB color model it is made of 0% red, 31% green and 35.7% blue (0, 79, 91).

Its hue angle is 188°, with 100% saturation and 18% lightness. For print, the CMYK equivalent is 100% cyan, 13% magenta, 0% yellow and 64% black.

The closest named color is Nocturnal Expedition (#114C5A), a difference of 2.5 ΔE, a small difference.

White text is the more readable choice on this background (contrast 9.25:1).

#004F5B color codes

HEX	`#004F5B`
RGB	`rgb(0, 79, 91)`
RGB percent	`rgb(0%, 31%, 35.7%)`
HSL	`hsl(188, 100%, 18%)`
HSV / HSB	`hsv(188, 100%, 36%)`
CMYK	`cmyk(100%, 13%, 0%, 64%)`
CIE LAB	`lab(30.27, -16.14, -13.01)`
CIE LCH	`lch(30.27, 20.73, 218.89)`
CIE XYZ	`xyz(4.683, 6.347, 10.874)`
Decimal	`20315`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #004F5B, 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 #004F5B	Ratio	AA	AAA	AA large
Sample text	2.27:1	Fail	Fail	Fail
Sample text	9.25:1	Pass	Pass	Pass

#004F5B as text on	Ratio	AA	AAA	AA large
Sample text	9.25:1	Pass	Pass	Pass
Sample text	2.27:1	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 #004F5B looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #004f5b; }
.text { color: #004f5b; }
.border { border: 2px solid #004f5b; }
.transparent { background-color: rgb(0 79 91 / 50%); }
.gradient { background: linear-gradient(to right, #004f5b, #00215b); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Teal.

Questions

What color is #004F5B?: #004F5B is a very dark, vivid cyan, closest to the named color Nocturnal Expedition. It belongs to the teal family of colors.
What is the RGB value of #004F5B?: The RGB value is 0, 79, 91: 0 red, 79 green and 91 blue on a 0 to 255 scale.
What is the complementary color of #004F5B?: The complementary color is #5B0C00, found by rotating the hue 180° on the color wheel.
Is black or white text better on #004F5B?: White text. Black text has a contrast ratio of 2.27:1 and white text 9.25:1. WCAG asks for at least 4.5:1 for normal text.