#3b577f

Color #3b577f

A muted dark blue.

Closest named color Steel Blue #4682b4 · ΔE 18.23 Nearest Tailwind class slate-600 #45556c · ΔE 5.2

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Conversions

HEX

#3b577f

RGB

rgb(59, 87, 127)

HSL

hsl(215.3, 36.6%, 36.5%)

HSV / HSB

hsv(215.3, 53.5%, 49.8%)

CMYK

cmyk(53.5%, 31.5%, 0%, 50.2%)

LAB

lab(36.51, 1.89, -25.72)

LCH

lch(36.51, 25.79, 274.2)

OKLCH

oklch(45.3%, 0.0741, 257.3)

HWB

hwb(215.3, 23.1%, 50.2%)

Harmony colors

Complementary

#7f633b

Analogous

#3b797f

#3b577f

#413b7f

Triadic

#3b577f

#7f3b57

#577f3b

Split-complementary

#3b577f

#7f413b

#797f3b

Tetradic

#3b577f

#633b7f

#7f633b

#577f3b

Square

#3b577f

#7f3b79

#7f633b

#3b7f41

Shades

Color #3b577f mixed toward black.

#31496a

#273a55

#1e2c40

#141d2a

#0a0f15

Tints

Color #3b577f mixed toward white.

#4c70a4

#6c8cbb

#90a9cc

#b5c6dd

#dae2ee

Tones

Color #3b577f mixed toward gray.

#415879

#465974

#4c5a6e

#525b68

#575c63

Accessibility

Aa White text on this color

7.35:1

Aa Black text on this color

2.86:1

White text reads better on this background (7.35:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#494977 · ΔE 8.8

Deuteranopia

#474575 · ΔE 9.7

Tritanopia

#3d706e · ΔE 21.5

Achromatopsia

#565656 · ΔE 16.4

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

Code

CSS

background-color: #3b577f;

Tailwind (arbitrary value)

bg-[#3b577f]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#3b577f (#3b577f) is rgb(59, 87, 127) in RGB.

No, #3b577f 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 #3b577f, or check how it holds up for accessibility.

Generate a palette → Check contrast