#0a3369

Color #0a3369

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 20.4 Nearest Tailwind class blue-900 #1c398e · ΔE 6.1

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

Conversions

HEX

#0a3369

RGB

rgb(10, 51, 105)

HSL

hsl(214.1, 82.6%, 22.5%)

HSV / HSB

hsv(214.1, 90.5%, 41.2%)

CMYK

cmyk(90.5%, 51.4%, 0%, 58.8%)

LAB

lab(21.77, 9.04, -35.4)

LCH

lch(21.77, 36.54, 284.33)

OKLCH

oklch(32.8%, 0.1044, 257.39)

HWB

hwb(214.1, 3.9%, 58.8%)

Harmony colors

Complementary

#69400a

Analogous

#0a6269

#0a3369

#100a69

Triadic

#0a3369

#690a33

#33690a

Split-complementary

#0a3369

#69100a

#62690a

Tetradic

#0a3369

#400a69

#69400a

#33690a

Square

#0a3369

#690a62

#69400a

#0a6910

Shades

Color #0a3369 mixed toward black.

#082a57

#072246

#051934

#031123

#020811

Tints

Color #0a3369 mixed toward white.

#1050a5

#156de1

#4b91ee

#87b6f4

#c3daf9

Tones

Color #0a3369 mixed toward gray.

#123461

#1a3559

#223651

#2a3749

#313841

Accessibility

Aa White text on this color

12.42:1

Aa Black text on this color

1.69:1

White text reads better on this background (12.42:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#22225f · ΔE 8.3

Deuteranopia

#201d5d · ΔE 9.5

Tritanopia

#0e5755 · ΔE 26.3

Achromatopsia

#343434 · ΔE 20.3

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

Code

CSS

background-color: #0a3369;

Tailwind (arbitrary value)

bg-[#0a3369]

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

#0a3369 (#0a3369) is rgb(10, 51, 105) in RGB.

No, #0a3369 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #0a3369, or check how it holds up for accessibility.

Generate a palette → Check contrast