What color is #0A2A5D?

#0A2A5D is a dark, vivid azure, closest to the named color Marine. It belongs to the blue family of colors.

What is the RGB value of #0A2A5D?

The RGB value is 10, 42, 93: 10 red, 42 green and 93 blue on a 0 to 255 scale.

What is the complementary color of #0A2A5D?

The complementary color is #5D3D0A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A2A5D?

White text. Black text has a contrast ratio of 1.5:1 and white text 13.98:1. WCAG asks for at least 4.5:1 for normal text.

#0A2A5D color

#0A2A5D rgb(10, 42, 93)

Shades of blue

The hex color #0A2A5D is a dark, vivid azure.

In the RGB color model it is made of 3.9% red, 16.5% green and 36.5% blue (10, 42, 93).

Its hue angle is 217°, with 81% saturation and 20% lightness. For print, the CMYK equivalent is 89% cyan, 55% magenta, 0% yellow and 64% black.

The closest named color is Marine (#042E60), a difference of 1.8 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 13.98:1).

#0A2A5D color codes

HEX	`#0A2A5D`
RGB	`rgb(10, 42, 93)`
RGB percent	`rgb(3.9%, 16.5%, 36.5%)`
HSL	`hsl(217, 81%, 20%)`
HSV / HSB	`hsv(217, 89%, 36%)`
CMYK	`cmyk(89%, 55%, 0%, 64%)`
CIE LAB	`lab(17.97, 10.34, -33.69)`
CIE LCH	`lch(17.97, 35.24, 287.06)`
CIE XYZ	`xyz(2.928, 2.51, 10.684)`
Decimal	`666205`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A2A5D, 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 #0A2A5D	Ratio	AA	AAA	AA large
Sample text	1.5:1	Fail	Fail	Fail
Sample text	13.98:1	Pass	Pass	Pass

#0A2A5D as text on	Ratio	AA	AAA	AA large
Sample text	13.98:1	Pass	Pass	Pass
Sample text	1.5:1	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 #0A2A5D looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a2a5d; }
.text { color: #0a2a5d; }
.border { border: 2px solid #0a2a5d; }
.transparent { background-color: rgb(10 42 93 / 50%); }
.gradient { background: linear-gradient(to right, #0a2a5d, #130a5d); }

Background

Text color

Border

Similar colors

Closest common color name: Oxford Blue.

Questions

What color is #0A2A5D?: #0A2A5D is a dark, vivid azure, closest to the named color Marine. It belongs to the blue family of colors.
What is the RGB value of #0A2A5D?: The RGB value is 10, 42, 93: 10 red, 42 green and 93 blue on a 0 to 255 scale.
What is the complementary color of #0A2A5D?: The complementary color is #5D3D0A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A2A5D?: White text. Black text has a contrast ratio of 1.5:1 and white text 13.98:1. WCAG asks for at least 4.5:1 for normal text.