What color is #0A3D63?

#0A3D63 is a dark, vivid azure, closest to the named color Poseidon. It belongs to the blue family of colors.

What is the RGB value of #0A3D63?

The RGB value is 10, 61, 99: 10 red, 61 green and 99 blue on a 0 to 255 scale.

What is the complementary color of #0A3D63?

The complementary color is #63300A, found by rotating the hue 180° on the color wheel.

Is black or white text better on #0A3D63?

White text. Black text has a contrast ratio of 1.86:1 and white text 11.29:1. WCAG asks for at least 4.5:1 for normal text.

#0A3D63 color

#0A3D63 rgb(10, 61, 99)

Shades of blue

The hex color #0A3D63 is a dark, vivid azure.

In the RGB color model it is made of 3.9% red, 23.9% green and 38.8% blue (10, 61, 99).

Its hue angle is 206°, with 82% saturation and 21% lightness. For print, the CMYK equivalent is 90% cyan, 38% magenta, 0% yellow and 61% black.

The closest named color is Poseidon (#143C5D), a difference of 1.3 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 11.29:1).

#0A3D63 color codes

HEX	`#0A3D63`
RGB	`rgb(10, 61, 99)`
RGB percent	`rgb(3.9%, 23.9%, 38.8%)`
HSL	`hsl(206, 82%, 21%)`
HSV / HSB	`hsv(206, 90%, 39%)`
CMYK	`cmyk(90%, 38%, 0%, 61%)`
CIE LAB	`lab(24.65, -0.63, -26.91)`
CIE LCH	`lch(24.65, 26.92, 268.65)`
CIE XYZ	`xyz(4.045, 4.302, 12.419)`
Decimal	`671075`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #0A3D63, 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 #0A3D63	Ratio	AA	AAA	AA large
Sample text	1.86:1	Fail	Fail	Fail
Sample text	11.29:1	Pass	Pass	Pass

#0A3D63 as text on	Ratio	AA	AAA	AA large
Sample text	11.29:1	Pass	Pass	Pass
Sample text	1.86:1	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 #0A3D63 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #0a3d63; }
.text { color: #0a3d63; }
.border { border: 2px solid #0a3d63; }
.transparent { background-color: rgb(10 61 99 / 50%); }
.gradient { background: linear-gradient(to right, #0a3d63, #0a1063); }

Background

Text color

Border

Similar colors

Questions

What color is #0A3D63?: #0A3D63 is a dark, vivid azure, closest to the named color Poseidon. It belongs to the blue family of colors.
What is the RGB value of #0A3D63?: The RGB value is 10, 61, 99: 10 red, 61 green and 99 blue on a 0 to 255 scale.
What is the complementary color of #0A3D63?: The complementary color is #63300A, found by rotating the hue 180° on the color wheel.
Is black or white text better on #0A3D63?: White text. Black text has a contrast ratio of 1.86:1 and white text 11.29:1. WCAG asks for at least 4.5:1 for normal text.