#3c42b3

Color #3c42b3

A moderately saturated medium blue.

Closest named color Slate Blue #6a5acd · ΔE 11.71 Nearest Tailwind class blue-800 #193cb8 · ΔE 3.2

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

Conversions

HEX

#3c42b3

RGB

rgb(60, 66, 179)

HSL

hsl(237, 49.8%, 46.9%)

HSV / HSB

hsv(237, 66.5%, 70.2%)

CMYK

cmyk(66.5%, 63.1%, 0%, 29.8%)

LAB

lab(34.21, 34.02, -60.81)

LCH

lch(34.21, 69.68, 299.22)

OKLCH

oklch(44.7%, 0.1759, 274.4)

HWB

hwb(237, 23.5%, 29.8%)

Harmony colors

Complementary

#b3ad3c

Analogous

#3c7eb3

#3c42b3

#723cb3

Triadic

#3c42b3

#b33c42

#42b33c

Split-complementary

#3c42b3

#b3723c

#7eb33c

Tetradic

#3c42b3

#ad3cb3

#b3ad3c

#42b33c

Square

#3c42b3

#b33c7e

#b3ad3c

#3cb372

Shades

Color #3c42b3 mixed toward black.

#323795

#282c77

#1e215a

#14163c

#0a0b1e

Tints

Color #3c42b3 mixed toward white.

#565cc6

#787cd2

#9a9ddd

#bbbee8

#dddef4

Tones

Color #3c42b3 mixed toward gray.

#464ba9

#50549f

#5a5d95

#64668b

#6e6f82

Accessibility

Aa White text on this color

8.01:1

Aa Black text on this color

2.62:1

White text reads better on this background (8.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#3f3fa1 · ΔE 2.8

Deuteranopia

#3e3e9c · ΔE 3.5

Tritanopia

#3c908c · ΔE 38.3

Achromatopsia

#505050 · ΔE 27.2

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

Code

CSS

background-color: #3c42b3;

Tailwind (arbitrary value)

bg-[#3c42b3]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#3c42b3 (#3c42b3) is rgb(60, 66, 179) in RGB.

No, #3c42b3 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 #3c42b3, or check how it holds up for accessibility.

Generate a palette → Check contrast