What color is #177990?

#177990 is a dark, moderate cyan, closest to the named color Celestial. It belongs to the teal family of colors.

What is the RGB value of #177990?

The RGB value is 23, 121, 144: 23 red, 121 green and 144 blue on a 0 to 255 scale.

What is the complementary color of #177990?

The complementary color is #902E17, found by rotating the hue 180° on the color wheel.

Is black or white text better on #177990?

White text. Black text has a contrast ratio of 4.17:1 and white text 5.03:1. WCAG asks for at least 4.5:1 for normal text.

#177990 color

#177990 rgb(23, 121, 144)

Shades of teal

The hex color #177990 is a dark, moderate cyan.

In the RGB color model it is made of 9% red, 47.5% green and 56.5% blue (23, 121, 144).

Its hue angle is 191°, with 72% saturation and 33% lightness. For print, the CMYK equivalent is 84% cyan, 16% magenta, 0% yellow and 44% black.

The closest named color is Celestial (#007894), a difference of 1.7 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 5.03:1).

#177990 color codes

HEX	`#177990`
RGB	`rgb(23, 121, 144)`
RGB percent	`rgb(9%, 47.5%, 56.5%)`
HSL	`hsl(191, 72%, 33%)`
HSV / HSB	`hsv(191, 84%, 56%)`
CMYK	`cmyk(84%, 16%, 0%, 44%)`
CIE LAB	`lab(46.8, -18.32, -20.1)`
CIE LCH	`lch(46.8, 27.2, 227.65)`
CIE XYZ	`xyz(12.223, 15.869, 28.799)`
Decimal	`1538448`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #177990, 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 #177990	Ratio	AA	AAA	AA large
Sample text	4.17:1	Fail	Fail	Pass
Sample text	5.03:1	Pass	Fail	Pass

#177990 as text on	Ratio	AA	AAA	AA large
Sample text	5.03:1	Pass	Fail	Pass
Sample text	4.17:1	Fail	Fail	Pass

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 #177990 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #177990; }
.text { color: #177990; }
.border { border: 2px solid #177990; }
.transparent { background-color: rgb(23 121 144 / 50%); }
.gradient { background: linear-gradient(to right, #177990, #173c90); }

Background

Text color

Border

Similar colors

Closest common color name: Cerulean.

Questions

What color is #177990?: #177990 is a dark, moderate cyan, closest to the named color Celestial. It belongs to the teal family of colors.
What is the RGB value of #177990?: The RGB value is 23, 121, 144: 23 red, 121 green and 144 blue on a 0 to 255 scale.
What is the complementary color of #177990?: The complementary color is #902E17, found by rotating the hue 180° on the color wheel.
Is black or white text better on #177990?: White text. Black text has a contrast ratio of 4.17:1 and white text 5.03:1. WCAG asks for at least 4.5:1 for normal text.