#3751a2

Color #3751a2

A moderately saturated medium blue.

Closest named color Dark Slate Blue #483d8b · ΔE 11.45 Nearest Tailwind class blue-800 #193cb8 · ΔE 7.5

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Conversions

HEX

#3751a2

RGB

rgb(55, 81, 162)

HSL

hsl(225.4, 49.3%, 42.5%)

HSV / HSB

hsv(225.4, 66%, 63.5%)

CMYK

cmyk(66%, 50%, 0%, 36.5%)

LAB

lab(36.56, 17.37, -46.88)

LCH

lch(36.56, 49.99, 290.33)

OKLCH

oklch(45.9%, 0.1344, 267.53)

HWB

hwb(225.4, 21.6%, 36.5%)

Harmony colors

Complementary

#a28837

Analogous

#3786a2

#3751a2

#5237a2

Triadic

#3751a2

#a23751

#51a237

Split-complementary

#3751a2

#a25237

#86a237

Tetradic

#3751a2

#8837a2

#a28837

#51a237

Square

#3751a2

#a23786

#a28837

#37a252

Shades

Color #3751a2 mixed toward black.

#2e4387

#25366c

#1b2851

#121b36

#090d1b

Tints

Color #3751a2 mixed toward white.

#4966c1

#6d85cd

#92a3da

#b6c2e6

#dbe0f3

Tones

Color #3751a2 mixed toward gray.

#405699

#495a90

#525f87

#5b637e

#636875

Accessibility

Aa White text on this color

7.34:1

Aa Black text on this color

2.86:1

White text reads better on this background (7.34:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#444493 · ΔE 6.1

Deuteranopia

#424090 · ΔE 7.1

Tritanopia

#398783 · ΔE 32.3

Achromatopsia

#565656 · ΔE 23.7

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

Code

CSS

background-color: #3751a2;

Tailwind (arbitrary value)

bg-[#3751a2]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#3751a2 (#3751a2) is rgb(55, 81, 162) in RGB.

No, #3751a2 is not web-safe. The nearest web-safe colors are among its tones and shades below.

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 #3751a2, or check how it holds up for accessibility.

Generate a palette → Check contrast