#373351

Color #373351

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 17.07 Nearest Tailwind class mauve-700 #463947 · ΔE 7.9

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Conversions

HEX

#373351

RGB

rgb(55, 51, 81)

HSL

hsl(248, 22.7%, 25.9%)

HSV / HSB

hsv(248, 37%, 31.8%)

CMYK

cmyk(32.1%, 37%, 0%, 68.2%)

LAB

lab(22.91, 9.67, -17.67)

LCH

lch(22.91, 20.14, 298.69)

OKLCH

oklch(33.9%, 0.0522, 289.37)

HWB

hwb(248, 20%, 68.2%)

Harmony colors

Complementary

#4d5133

Analogous

#333e51

#373351

#463351

Triadic

#373351

#513733

#335137

Split-complementary

#373351

#514633

#3e5133

Tetradic

#373351

#51334d

#4d5133

#335137

Square

#373351

#51333e

#4d5133

#335146

Shades

Color #373351 mixed toward black.

#2e2b44

#252236

#1c1a29

#12111b

#09090e

Tints

Color #373351 mixed toward white.

#514b78

#6c649e

#918bb6

#b6b2ce

#dad8e7

Tones

Color #373351 mixed toward gray.

#39364f

#3b384c

#3d3b4a

#3e3d47

#404045

Accessibility

Aa White text on this color

11.97:1

Aa Black text on this color

1.75:1

White text reads better on this background (11.97:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#35354b · ΔE 3.7

Deuteranopia

#363649 · ΔE 5

Tritanopia

#374645 · ΔE 20.1

Achromatopsia

#373737 · ΔE 15

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

Code

CSS

background-color: #373351;

Tailwind (arbitrary value)

bg-[#373351]

Related colors

Slate Blue #6a5acd

Dark Slate Blue #483d8b

Medium Slate Blue #7b68ee

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Frequently asked questions

#373351 (#373351) is rgb(55, 51, 81) in RGB.

No, #373351 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 #373351, or check how it holds up for accessibility.

Generate a palette → Check contrast