#33557a

Color #33557a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 18.3 Nearest Tailwind class slate-600 #45556c · ΔE 5.2

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Conversions

HEX

#33557a

RGB

rgb(51, 85, 122)

HSL

hsl(211.3, 41%, 33.9%)

HSV / HSB

hsv(211.3, 58.2%, 47.8%)

CMYK

cmyk(58.2%, 30.3%, 0%, 52.2%)

LAB

lab(35.21, -0.48, -24.71)

LCH

lch(35.21, 24.71, 268.89)

OKLCH

oklch(44.1%, 0.0732, 251.69)

HWB

hwb(211.3, 20%, 52.2%)

Harmony colors

Complementary

#7a5833

Analogous

#33787a

#33557a

#35337a

Triadic

#33557a

#7a3355

#557a33

Split-complementary

#33557a

#7a3533

#787a33

Tetradic

#33557a

#58337a

#7a5833

#557a33

Square

#33557a

#7a3378

#7a5833

#337a35

Shades

Color #33557a mixed toward black.

#2b4766

#223951

#1a2a3d

#111c29

#090e14

Tints

Color #33557a mixed toward white.

#4471a1

#618dbd

#88a9cd

#b0c6de

#d7e2ee

Tones

Color #33557a mixed toward gray.

#395574

#3f556e

#455668

#4b5662

#51565c

Accessibility

Aa White text on this color

7.72:1

Aa Black text on this color

2.72:1

White text reads better on this background (7.72:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#444472 · ΔE 10.8

Deuteranopia

#423f70 · ΔE 11.9

Tritanopia

#356c6a · ΔE 20.2

Achromatopsia

#535353 · ΔE 15.9

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

Code

CSS

background-color: #33557a;

Tailwind (arbitrary value)

bg-[#33557a]

Related colors

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Light Steel Blue #b0c4de

Alice Blue #f0f8ff

Steel Blue #4682b4

Frequently asked questions

#33557a (#33557a) is rgb(51, 85, 122) in RGB.

No, #33557a 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 #33557a, or check how it holds up for accessibility.

Generate a palette → Check contrast