#0b1533

Color #0b1533

A moderately saturated very dark blue.

Closest named color Black #000000 · ΔE 23.86 Nearest Tailwind class slate-900 #0f172b · ΔE 4.3

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Conversions

HEX

#0b1533

RGB

rgb(11, 21, 51)

HSL

hsl(225, 64.5%, 12.2%)

HSV / HSB

hsv(225, 78.4%, 20%)

CMYK

cmyk(78.4%, 58.8%, 0%, 80%)

LAB

lab(7.65, 7.77, -21.22)

LCH

lch(7.65, 22.6, 290.11)

OKLCH

oklch(20.7%, 0.061, 267.09)

HWB

hwb(225, 4.3%, 80%)

Harmony colors

Complementary

#33290b

Analogous

#0b2933

#0b1533

#150b33

Triadic

#0b1533

#330b15

#15330b

Split-complementary

#0b1533

#33150b

#29330b

Tetradic

#0b1533

#290b33

#33290b

#15330b

Square

#0b1533

#330b29

#33290b

#0b3315

Shades

Color #0b1533 mixed toward black.

#09122b

#070e22

#060b1a

#040711

#020409

Tints

Color #0b1533 mixed toward white.

#182e71

#2648ae

#476bd7

#849ce5

#c2cef2

Tones

Color #0b1533 mixed toward gray.

#0e1730

#12182c

#151a29

#181c26

#1c1d22

Accessibility

Aa White text on this color

17.96:1

Aa Black text on this color

1.17:1

White text reads better on this background (17.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#10102e · ΔE 2.8

Deuteranopia

#0f0f2c · ΔE 2.8

Tritanopia

#0c2928 · ΔE 21.9

Achromatopsia

#171717 · ΔE 15.6

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

Code

CSS

background-color: #0b1533;

Tailwind (arbitrary value)

bg-[#0b1533]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#0b1533 (#0b1533) is rgb(11, 21, 51) in RGB.

No, #0b1533 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 #0b1533, or check how it holds up for accessibility.

Generate a palette → Check contrast