#3d577f

Color #3d577f

A muted dark blue.

Closest named color Steel Blue #4682b4 · ΔE 18.36 Nearest Tailwind class slate-600 #45556c · ΔE 5.1

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Conversions

HEX

#3d577f

RGB

rgb(61, 87, 127)

HSL

hsl(216.4, 35.1%, 36.9%)

HSV / HSB

hsv(216.4, 52%, 49.8%)

CMYK

cmyk(52%, 31.5%, 0%, 50.2%)

LAB

lab(36.63, 2.4, -25.53)

LCH

lch(36.63, 25.64, 275.37)

OKLCH

oklch(45.4%, 0.0731, 258.8)

HWB

hwb(216.4, 23.9%, 50.2%)

Harmony colors

Complementary

#7f653d

Analogous

#3d787f

#3d577f

#443d7f

Triadic

#3d577f

#7f3d57

#577f3d

Split-complementary

#3d577f

#7f443d

#787f3d

Tetradic

#3d577f

#653d7f

#7f653d

#577f3d

Square

#3d577f

#7f3d78

#7f653d

#3d7f44

Shades

Color #3d577f mixed toward black.

#33496a

#293a55

#1f2c40

#141d2a

#0a0f15

Tints

Color #3d577f mixed toward white.

#4e70a3

#6e8cb9

#92a9cb

#b7c5dc

#dbe2ee

Tones

Color #3d577f mixed toward gray.

#43587a

#485974

#4e5b6f

#535c69

#595d64

Accessibility

Aa White text on this color

7.32:1

Aa Black text on this color

2.87:1

White text reads better on this background (7.32:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#4a4a77 · ΔE 8.3

Deuteranopia

#484675 · ΔE 9.2

Tritanopia

#3f706e · ΔE 21.6

Achromatopsia

#565656 · ΔE 16.3

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

Code

CSS

background-color: #3d577f;

Tailwind (arbitrary value)

bg-[#3d577f]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3d577f (#3d577f) is rgb(61, 87, 127) in RGB.

No, #3d577f 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 #3d577f, or check how it holds up for accessibility.

Generate a palette → Check contrast