#333066

Color #333066

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 15.85 Nearest Tailwind class blue-950 #162456 · ΔE 5.6

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Conversions

HEX

#333066

RGB

rgb(51, 48, 102)

HSL

hsl(243.3, 36%, 29.4%)

HSV / HSB

hsv(243.3, 52.9%, 40%)

CMYK

cmyk(50%, 52.9%, 0%, 60%)

LAB

lab(22.92, 17.31, -31.49)

LCH

lch(22.92, 35.93, 298.8)

OKLCH

oklch(34.2%, 0.0919, 282.89)

HWB

hwb(243.3, 18.8%, 60%)

Harmony colors

Complementary

#636630

Analogous

#304866

#333066

#4e3066

Triadic

#333066

#663330

#306633

Split-complementary

#333066

#664e30

#486630

Tetradic

#333066

#663063

#636630

#306633

Square

#333066

#663048

#636630

#30664e

Shades

Color #333066 mixed toward black.

#2a2855

#222044

#191833

#111022

#080811

Tints

Color #333066 mixed toward white.

#47438f

#615cb2

#8885c5

#b0add9

#d7d6ec

Tones

Color #333066 mixed toward gray.

#373461

#3b395d

#3f3d58

#434254

#47464f

Accessibility

Aa White text on this color

11.96:1

Aa Black text on this color

1.76:1

White text reads better on this background (11.96:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#32325c · ΔE 3

Deuteranopia

#32325a · ΔE 3.6

Tritanopia

#335452 · ΔE 26.1

Achromatopsia

#373737 · ΔE 20.8

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

Code

CSS

background-color: #333066;

Tailwind (arbitrary value)

bg-[#333066]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#333066 (#333066) is rgb(51, 48, 102) in RGB.

No, #333066 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 #333066, or check how it holds up for accessibility.

Generate a palette → Check contrast