#0a4a9e

Color #0a4a9e

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.75 Nearest Tailwind class blue-900 #1c398e · ΔE 6.4

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#0a4a9e

RGB

rgb(10, 74, 158)

HSL

hsl(214.1, 88.1%, 32.9%)

HSV / HSB

hsv(214.1, 93.7%, 62%)

CMYK

cmyk(93.7%, 53.2%, 0%, 38%)

LAB

lab(32.77, 15.51, -50.69)

LCH

lch(32.77, 53.01, 287.01)

OKLCH

oklch(42.5%, 0.1495, 258.15)

HWB

hwb(214.1, 3.9%, 38%)

Harmony colors

Complementary

#9e5e0a

Analogous

#0a949e

#0a4a9e

#140a9e

Triadic

#0a4a9e

#9e0a4a

#4a9e0a

Split-complementary

#0a4a9e

#9e140a

#949e0a

Tetradic

#0a4a9e

#5e0a9e

#9e5e0a

#4a9e0a

Square

#0a4a9e

#9e0a94

#9e5e0a

#0a9e14

Shades

Color #0a4a9e mixed toward black.

#083d84

#073169

#05254f

#031935

#020c1a

Tints

Color #0a4a9e mixed toward white.

#0d63d3

#287ff1

#5e9ff5

#94bff8

#c9dffc

Tones

Color #0a4a9e mixed toward gray.

#164b91

#234d85

#2f4f79

#3b516d

#485260

Accessibility

Aa White text on this color

8.45:1

Aa Black text on this color

2.49:1

White text reads better on this background (8.45:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#32328f · ΔE 10.2

Deuteranopia

#2e2a8b · ΔE 12.1

Tritanopia

#13827f · ΔE 33.1

Achromatopsia

#4d4d4d · ΔE 24.3

Left half is the original, right half is the simulated appearance. See all 8 vision types →

Code

CSS

background-color: #0a4a9e;

Tailwind (arbitrary value)

bg-[#0a4a9e]

Related colors

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Cornflower Blue #6495ed

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#0a4a9e (#0a4a9e) is rgb(10, 74, 158) in RGB.

No, #0a4a9e is not one of the 216 web-safe colors — for that, every RGB channel would have to be a multiple of 51.

Related tools

Colors

HEX to RGB Converter

Convert any HEX color code to its RGB and HSL equivalents, live, with copy-to-clipboard values.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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Palette Generator

Generate complementary, analogous, triadic, split-complementary, tetradic, square, and monochromatic palettes from any base color.

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Build something with this color

Generate a full palette from #0a4a9e, or check how it holds up for accessibility.

Generate a palette → Check contrast