#3540b6

Color #3540b6

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 13.19 Nearest Tailwind class blue-800 #193cb8 · ΔE 2.3

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

Conversions

HEX

#3540b6

RGB

rgb(53, 64, 182)

HSL

hsl(234.9, 54.9%, 46.1%)

HSV / HSB

hsv(234.9, 70.9%, 71.4%)

CMYK

cmyk(70.9%, 64.8%, 0%, 28.6%)

LAB

lab(33.56, 35.39, -63.67)

LCH

lch(33.56, 72.84, 299.07)

OKLCH

oklch(44.2%, 0.184, 272.18)

HWB

hwb(234.9, 20.8%, 28.6%)

Harmony colors

Complementary

#b6ab35

Analogous

#3581b6

#3540b6

#6b35b6

Triadic

#3540b6

#b63540

#40b635

Split-complementary

#3540b6

#b66b35

#81b635

Tetradic

#3540b6

#ab35b6

#b6ab35

#40b635

Square

#3540b6

#b63581

#b6ab35

#35b66b

Shades

Color #3540b6 mixed toward black.

#2c3598

#232b79

#1b205b

#12153d

#090b1e

Tints

Color #3540b6 mixed toward white.

#4e58cb

#717ad6

#959be0

#b8bcea

#dcdef5

Tones

Color #3540b6 mixed toward gray.

#4049ab

#4b52a1

#555b96

#60648b

#6b6d80

Accessibility

Aa White text on this color

8.2:1

Aa Black text on this color

2.56:1

White text reads better on this background (8.2:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3a3aa3 · ΔE 3.2

Deuteranopia

#39399e · ΔE 3.9

Tritanopia

#36928e · ΔE 39.5

Achromatopsia

#4f4f4f · ΔE 27.6

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

Code

CSS

background-color: #3540b6;

Tailwind (arbitrary value)

bg-[#3540b6]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3540b6 (#3540b6) is rgb(53, 64, 182) in RGB.

No, #3540b6 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 #3540b6, or check how it holds up for accessibility.

Generate a palette → Check contrast