#0a3471

Color #0a3471

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 16.66 Nearest Tailwind class blue-900 #1c398e · ΔE 4.9

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

Conversions

HEX

#0a3471

RGB

rgb(10, 52, 113)

HSL

hsl(215.5, 83.7%, 24.1%)

HSV / HSB

hsv(215.5, 91.2%, 44.3%)

CMYK

cmyk(91.2%, 54%, 0%, 55.7%)

LAB

lab(22.7, 11.82, -39.06)

LCH

lch(22.7, 40.81, 286.84)

OKLCH

oklch(33.7%, 0.1148, 258.8)

HWB

hwb(215.5, 3.9%, 55.7%)

Harmony colors

Complementary

#71470a

Analogous

#0a6771

#0a3471

#130a71

Triadic

#0a3471

#710a34

#34710a

Split-complementary

#0a3471

#71130a

#67710a

Tetradic

#0a3471

#470a71

#71470a

#34710a

Square

#0a3471

#710a67

#71470a

#0a7113

Shades

Color #0a3471 mixed toward black.

#082b5e

#07234b

#051a38

#031126

#020913

Tints

Color #0a3471 mixed toward white.

#0f4fac

#156be7

#4d8fef

#88b5f4

#c4dafa

Tones

Color #0a3471 mixed toward gray.

#133668

#1b3760

#243957

#2c3a4f

#353c46

Accessibility

Aa White text on this color

12.05:1

Aa Black text on this color

1.74:1

White text reads better on this background (12.05:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#232366 · ΔE 7.9

Deuteranopia

#201d63 · ΔE 9.4

Tritanopia

#0f5d5a · ΔE 28.3

Achromatopsia

#363636 · ΔE 21.6

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

Code

CSS

background-color: #0a3471;

Tailwind (arbitrary value)

bg-[#0a3471]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#0a3471 (#0a3471) is rgb(10, 52, 113) in RGB.

No, #0a3471 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 #0a3471, or check how it holds up for accessibility.

Generate a palette → Check contrast