#213f5a

Color #213f5a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 11.95 Nearest Tailwind class slate-700 #314158 · ΔE 3.8

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Conversions

HEX

#213f5a

RGB

rgb(33, 63, 90)

HSL

hsl(208.4, 46.3%, 24.1%)

HSV / HSB

hsv(208.4, 63.3%, 35.3%)

CMYK

cmyk(63.3%, 30%, 0%, 64.7%)

LAB

lab(25.61, -1.9, -19.5)

LCH

lch(25.61, 19.59, 264.43)

OKLCH

oklch(35.8%, 0.0594, 247.41)

HWB

hwb(208.4, 12.9%, 64.7%)

Harmony colors

Complementary

#5a3c21

Analogous

#215a58

#213f5a

#21235a

Triadic

#213f5a

#5a213f

#3f5a21

Split-complementary

#213f5a

#5a2123

#5a5821

Tetradic

#213f5a

#3c215a

#5a3c21

#3f5a21

Square

#213f5a

#58215a

#5a3c21

#235a21

Shades

Color #213f5a mixed toward black.

#1c344b

#162a3c

#111f2d

#0b151e

#060a0f

Tints

Color #213f5a mixed toward white.

#326089

#4481b8

#71a1cb

#a1c0dc

#d0e0ee

Tones

Color #213f5a mixed toward gray.

#263f55

#2a3e50

#2f3e4c

#343e47

#393e42

Accessibility

Aa White text on this color

10.92:1

Aa Black text on this color

1.92:1

White text reads better on this background (10.92:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#313154 · ΔE 11.7

Deuteranopia

#2f2c53 · ΔE 12.8

Tritanopia

#23504f · ΔE 16.9

Achromatopsia

#3d3d3d · ΔE 13.7

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

Code

CSS

background-color: #213f5a;

Tailwind (arbitrary value)

bg-[#213f5a]

Related colors

Alice Blue #f0f8ff

Steel Blue #4682b4

Dodger Blue #1e90ff

Light Slate Gray #778899

Slate Gray #708090

Charcoal #36454f

Frequently asked questions

#213f5a (#213f5a) is rgb(33, 63, 90) in RGB.

No, #213f5a 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 #213f5a, or check how it holds up for accessibility.

Generate a palette → Check contrast