#455c81

Color #455c81

A muted dark blue.

Closest named color Steel Blue #4682b4 · ΔE 17.39 Nearest Tailwind class slate-600 #45556c · ΔE 5

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Conversions

HEX

#455c81

RGB

rgb(69, 92, 129)

HSL

hsl(217, 30.3%, 38.8%)

HSV / HSB

hsv(217, 46.5%, 50.6%)

CMYK

cmyk(46.5%, 28.7%, 0%, 49.4%)

LAB

lab(38.73, 2.02, -23.44)

LCH

lch(38.73, 23.53, 274.93)

OKLCH

oklch(47.2%, 0.0666, 259.7)

HWB

hwb(217, 27.1%, 49.4%)

Harmony colors

Complementary

#816a45

Analogous

#457a81

#455c81

#4c4581

Triadic

#455c81

#81455c

#5c8145

Split-complementary

#455c81

#814c45

#7a8145

Tetradic

#455c81

#6a4581

#816a45

#5c8145

Square

#455c81

#81457a

#816a45

#45814c

Shades

Color #455c81 mixed toward black.

#394d6b

#2e3d56

#222e40

#171f2b

#0b0f15

Tints

Color #455c81 mixed toward white.

#5774a3

#7790b6

#99abc9

#bbc7db

#dde3ed

Tones

Color #455c81 mixed toward gray.

#4a5d7c

#4f5e77

#545f72

#59616d

#5e6268

Accessibility

Aa White text on this color

6.77:1

Aa Black text on this color

3.1:1

White text reads better on this background (6.77:1). That passes WCAG AA (≥4.5:1) for normal-size text, but not AAA.

Under color vision deficiencies

Protanopia

#505079 · ΔE 8.1

Deuteranopia

#4f4d77 · ΔE 9

Tritanopia

#467371 · ΔE 20.7

Achromatopsia

#5b5b5b · ΔE 15.4

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

Code

CSS

background-color: #455c81;

Tailwind (arbitrary value)

bg-[#455c81]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Royal Blue #4169e1

Frequently asked questions

#455c81 (#455c81) is rgb(69, 92, 129) in RGB.

No, #455c81 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 #455c81, or check how it holds up for accessibility.

Generate a palette → Check contrast