What color is #17313F?

#17313F is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the gray family of colors.

What is the RGB value of #17313F?

The RGB value is 23, 49, 63: 23 red, 49 green and 63 blue on a 0 to 255 scale.

What is the complementary color of #17313F?

The complementary color is #3F2517, found by rotating the hue 180° on the color wheel.

Is black or white text better on #17313F?

White text. Black text has a contrast ratio of 1.55:1 and white text 13.57:1. WCAG asks for at least 4.5:1 for normal text.

#17313F color

#17313F rgb(23, 49, 63)

Shades of gray

The hex color #17313F is a very dark, desaturated azure.

In the RGB color model it is made of 9% red, 19.2% green and 24.7% blue (23, 49, 63).

Its hue angle is 201°, with 47% saturation and 17% lightness. For print, the CMYK equivalent is 63% cyan, 22% magenta, 0% yellow and 75% black.

The closest named color is Blue Whale (#1E3442), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 13.57:1).

#17313F color codes

HEX	`#17313F`
RGB	`rgb(23, 49, 63)`
RGB percent	`rgb(9%, 19.2%, 24.7%)`
HSL	`hsl(201, 47%, 17%)`
HSV / HSB	`hsv(201, 63%, 25%)`
CMYK	`cmyk(63%, 22%, 0%, 75%)`
CIE LAB	`lab(18.96, -5.06, -11.85)`
CIE LCH	`lch(18.96, 12.88, 246.88)`
CIE XYZ	`xyz(2.349, 2.737, 5.106)`
Decimal	`1519935`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #17313F, 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 #17313F	Ratio	AA	AAA	AA large
Sample text	1.55:1	Fail	Fail	Fail
Sample text	13.57:1	Pass	Pass	Pass

#17313F as text on	Ratio	AA	AAA	AA large
Sample text	13.57:1	Pass	Pass	Pass
Sample text	1.55:1	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 #17313F looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #17313f; }
.text { color: #17313f; }
.border { border: 2px solid #17313f; }
.transparent { background-color: rgb(23 49 63 / 50%); }
.gradient { background: linear-gradient(to right, #17313f, #171d3f); }

Background

Text color

Border

Similar colors

Closest common color name: Gunmetal.

Questions

What color is #17313F?: #17313F is a very dark, desaturated azure, closest to the named color Blue Whale. It belongs to the gray family of colors.
What is the RGB value of #17313F?: The RGB value is 23, 49, 63: 23 red, 49 green and 63 blue on a 0 to 255 scale.
What is the complementary color of #17313F?: The complementary color is #3F2517, found by rotating the hue 180° on the color wheel.
Is black or white text better on #17313F?: White text. Black text has a contrast ratio of 1.55:1 and white text 13.57:1. WCAG asks for at least 4.5:1 for normal text.