#0b3175

Color #0b3175

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.45 Nearest Tailwind class blue-900 #1c398e · ΔE 4.3

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

Conversions

HEX

#0b3175

RGB

rgb(11, 49, 117)

HSL

hsl(218.5, 82.8%, 25.1%)

HSV / HSB

hsv(218.5, 90.6%, 45.9%)

CMYK

cmyk(90.6%, 58.1%, 0%, 54.1%)

LAB

lab(22.13, 15.8, -42.54)

LCH

lch(22.13, 45.38, 290.38)

OKLCH

oklch(33.4%, 0.1244, 261.12)

HWB

hwb(218.5, 4.3%, 54.1%)

Harmony colors

Complementary

#754f0b

Analogous

#0b6675

#0b3175

#1a0b75

Triadic

#0b3175

#750b31

#31750b

Split-complementary

#0b3175

#751a0b

#66750b

Tetradic

#0b3175

#4f0b75

#754f0b

#31750b

Square

#0b3175

#750b66

#754f0b

#0b751a

Shades

Color #0b3175 mixed toward black.

#092962

#07214e

#06183b

#041027

#020814

Tints

Color #0b3175 mixed toward white.

#1049af

#1662e9

#5089ef

#8bb0f4

#c5d8fa

Tones

Color #0b3175 mixed toward gray.

#14336c

#1d3663

#26385b

#2e3b52

#373e49

Accessibility

Aa White text on this color

12.28:1

Aa Black text on this color

1.71:1

White text reads better on this background (12.28:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#212169 · ΔE 6.9

Deuteranopia

#1f1c66 · ΔE 8.1

Tritanopia

#0f5f5c · ΔE 29.9

Achromatopsia

#353535 · ΔE 22.8

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

Code

CSS

background-color: #0b3175;

Tailwind (arbitrary value)

bg-[#0b3175]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#0b3175 (#0b3175) is rgb(11, 49, 117) in RGB.

No, #0b3175 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 #0b3175, or check how it holds up for accessibility.

Generate a palette → Check contrast