#0b4bbb

Color #0b4bbb

A vivid, highly saturated dark blue.

Closest named color Royal Blue #4169e1 · ΔE 12.56 Nearest Tailwind class blue-800 #193cb8 · ΔE 5

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

Conversions

HEX

#0b4bbb

RGB

rgb(11, 75, 187)

HSL

hsl(218.2, 88.9%, 38.8%)

HSV / HSB

hsv(218.2, 94.1%, 73.3%)

CMYK

cmyk(94.1%, 59.9%, 0%, 26.7%)

LAB

lab(35.38, 26.7, -63.7)

LCH

lch(35.38, 69.07, 292.74)

OKLCH

oklch(45.2%, 0.1866, 261.31)

HWB

hwb(218.2, 4.3%, 26.7%)

Harmony colors

Complementary

#bb7b0b

Analogous

#0ba3bb

#0b4bbb

#230bbb

Triadic

#0b4bbb

#bb0b4b

#4bbb0b

Split-complementary

#0b4bbb

#bb230b

#a3bb0b

Tetradic

#0b4bbb

#7b0bbb

#bb7b0b

#4bbb0b

Square

#0b4bbb

#bb0ba3

#bb7b0b

#0bbb23

Shades

Color #0b4bbb mixed toward black.

#093e9c

#07327d

#05255d

#04193e

#020c1f

Tints

Color #0b4bbb mixed toward white.

#0e5fec

#3a7ef3

#6c9ef6

#9dbef9

#cedffc

Tones

Color #0b4bbb mixed toward gray.

#1a4fac

#28539e

#37578f

#465b80

#545f72

Accessibility

Aa White text on this color

7.67:1

Aa Black text on this color

2.74:1

White text reads better on this background (7.67:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3233a8 · ΔE 8.7

Deuteranopia

#2f2aa4 · ΔE 10.8

Tritanopia

#139894 · ΔE 39.6

Achromatopsia

#535353 · ΔE 27.1

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

Code

CSS

background-color: #0b4bbb;

Tailwind (arbitrary value)

bg-[#0b4bbb]

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

#0b4bbb (#0b4bbb) is rgb(11, 75, 187) in RGB.

No, #0b4bbb 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 #0b4bbb, or check how it holds up for accessibility.

Generate a palette → Check contrast