#0b357b

Color #0b357b

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 12.75 Nearest Tailwind class blue-900 #1c398e · ΔE 3.4

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

Conversions

HEX

#0b357b

RGB

rgb(11, 53, 123)

HSL

hsl(217.5, 83.6%, 26.3%)

HSV / HSB

hsv(217.5, 91.1%, 48.2%)

CMYK

cmyk(91.1%, 56.9%, 0%, 51.8%)

LAB

lab(23.83, 15.5, -43.59)

LCH

lch(23.83, 46.26, 289.57)

OKLCH

oklch(34.9%, 0.1277, 260.44)

HWB

hwb(217.5, 4.3%, 51.8%)

Harmony colors

Complementary

#7b510b

Analogous

#0b6d7b

#0b357b

#190b7b

Triadic

#0b357b

#7b0b35

#357b0b

Split-complementary

#0b357b

#7b190b

#6d7b0b

Tetradic

#0b357b

#510b7b

#7b510b

#357b0b

Square

#0b357b

#7b0b6d

#7b510b

#0b7b19

Shades

Color #0b357b mixed toward black.

#092c67

#072352

#051b3e

#041229

#020915

Tints

Color #0b357b mixed toward white.

#104eb5

#1968ea

#528df0

#8cb3f5

#c5d9fa

Tones

Color #0b357b mixed toward gray.

#143772

#1e3a68

#273c5f

#303e56

#3a414c

Accessibility

Aa White text on this color

11.61:1

Aa Black text on this color

1.81:1

White text reads better on this background (11.61:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#24246f · ΔE 7.4

Deuteranopia

#211e6c · ΔE 8.8

Tritanopia

#0f6462 · ΔE 29.9

Achromatopsia

#393939 · ΔE 22.9

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

Code

CSS

background-color: #0b357b;

Tailwind (arbitrary value)

bg-[#0b357b]

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

#0b357b (#0b357b) is rgb(11, 53, 123) in RGB.

No, #0b357b 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 #0b357b, or check how it holds up for accessibility.

Generate a palette → Check contrast