#3f4561

Color #3f4561

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 12.58 Nearest Tailwind class slate-700 #314158 · ΔE 5.6

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Conversions

HEX

#3f4561

RGB

rgb(63, 69, 97)

HSL

hsl(229.4, 21.2%, 31.4%)

HSV / HSB

hsv(229.4, 35.1%, 38%)

CMYK

cmyk(35.1%, 28.9%, 0%, 62%)

LAB

lab(29.85, 5.09, -17.27)

LCH

lch(29.85, 18, 286.42)

OKLCH

oklch(39.7%, 0.0481, 274.65)

HWB

hwb(229.4, 24.7%, 62%)

Harmony colors

Complementary

#615b3f

Analogous

#3f5661

#3f4561

#4a3f61

Triadic

#3f4561

#613f45

#45613f

Split-complementary

#3f4561

#614a3f

#56613f

Tetradic

#3f4561

#5b3f61

#615b3f

#45613f

Square

#3f4561

#613f56

#615b3f

#3f614a

Shades

Color #3f4561 mixed toward black.

#353a51

#2a2e41

#202331

#151720

#0b0c10

Tints

Color #3f4561 mixed toward white.

#565e84

#727aa3

#959cba

#b8bdd1

#dcdee8

Tones

Color #3f4561 mixed toward gray.

#42475e

#45495b

#484b59

#4a4c56

#4d4e53

Accessibility

Aa White text on this color

9.4:1

Aa Black text on this color

2.24:1

White text reads better on this background (9.4:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#42425b · ΔE 2.7

Deuteranopia

#41415a · ΔE 2.8

Tritanopia

#3f5655 · ΔE 18.6

Achromatopsia

#464646 · ΔE 13.2

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

Code

CSS

background-color: #3f4561;

Tailwind (arbitrary value)

bg-[#3f4561]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#3f4561 (#3f4561) is rgb(63, 69, 97) in RGB.

No, #3f4561 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 #3f4561, or check how it holds up for accessibility.

Generate a palette → Check contrast