What color is #0A171E?

#0A171E is a very dark, moderate azure, closest to the named color Black Stallion. It belongs to the black family of colors.

What is the RGB value of #0A171E?

The RGB value is 10, 23, 30: 10 red, 23 green and 30 blue on a 0 to 255 scale.

What is the complementary color of #0A171E?

The complementary color is #1E110A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A171E?

White text. Black text has a contrast ratio of 1.15:1 and white text 18.19:1. WCAG asks for at least 4.5:1 for normal text.

#0A171E color

#0A171E rgb(10, 23, 30)

Shades of black

The hex color #0A171E is a very dark, moderate azure.

In the RGB color model it is made of 3.9% red, 9% green and 11.8% blue (10, 23, 30).

Its hue angle is 201°, with 50% saturation and 8% lightness. For print, the CMYK equivalent is 67% cyan, 23% magenta, 0% yellow and 88% black.

The closest named color is Black Stallion (#0E191C), a difference of 2.8 ΔE, a small difference.

White text is the more readable choice on this background (contrast 18.19:1).

#0A171E color codes

HEX	`#0A171E`
RGB	`rgb(10, 23, 30)`
RGB percent	`rgb(3.9%, 9%, 11.8%)`
HSL	`hsl(201, 50%, 8%)`
HSV / HSB	`hsv(201, 67%, 12%)`
CMYK	`cmyk(67%, 23%, 0%, 88%)`
CIE LAB	`lab(6.96, -2.74, -6.6)`
CIE LCH	`lch(6.96, 7.15, 247.43)`
CIE XYZ	`xyz(0.666, 0.771, 1.342)`
Decimal	`661278`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A171E, 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 #0A171E	Ratio	AA	AAA	AA large
Sample text	1.15:1	Fail	Fail	Fail
Sample text	18.19:1	Pass	Pass	Pass

#0A171E as text on	Ratio	AA	AAA	AA large
Sample text	18.19:1	Pass	Pass	Pass
Sample text	1.15:1	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 #0A171E looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a171e; }
.text { color: #0a171e; }
.border { border: 2px solid #0a171e; }
.transparent { background-color: rgb(10 23 30 / 50%); }
.gradient { background: linear-gradient(to right, #0a171e, #0a0d1e); }

Background

Text color

Border

Similar colors

Questions

What color is #0A171E?: #0A171E is a very dark, moderate azure, closest to the named color Black Stallion. It belongs to the black family of colors.
What is the RGB value of #0A171E?: The RGB value is 10, 23, 30: 10 red, 23 green and 30 blue on a 0 to 255 scale.
What is the complementary color of #0A171E?: The complementary color is #1E110A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A171E?: White text. Black text has a contrast ratio of 1.15:1 and white text 18.19:1. WCAG asks for at least 4.5:1 for normal text.