#213047

Color #213047

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 12.92 Nearest Tailwind class slate-800 #1d293d · ΔE 2.5

Open in Palette generator Color wheel Color mixer Contrast checker Blindness simulator Gradient

Conversions

HEX

#213047

RGB

rgb(33, 48, 71)

HSL

hsl(216.3, 36.5%, 20.4%)

HSV / HSB

hsv(216.3, 53.5%, 27.8%)

CMYK

cmyk(53.5%, 32.4%, 0%, 72.2%)

LAB

lab(19.61, 1.34, -16.25)

LCH

lch(19.61, 16.31, 274.71)

OKLCH

oklch(30.7%, 0.0464, 258.69)

HWB

hwb(216.3, 12.9%, 72.2%)

Harmony colors

Complementary

#473821

Analogous

#214347

#213047

#252147

Triadic

#213047

#472130

#304721

Split-complementary

#213047

#472521

#434721

Tetradic

#213047

#382147

#473821

#304721

Square

#213047

#472143

#473821

#214725

Shades

Color #213047 mixed toward black.

#1c283b

#16202f

#111824

#0b1018

#06080c

Tints

Color #213047 mixed toward white.

#374f75

#4c6fa3

#7492bf

#a3b6d4

#d1dbea

Tones

Color #213047 mixed toward gray.

#243144

#273141

#2b323e

#2e333a

#313337

Accessibility

Aa White text on this color

13.3:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.3:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#282842 · ΔE 7.2

Deuteranopia

#272641 · ΔE 7.9

Tritanopia

#223e3d · ΔE 16.4

Achromatopsia

#2f2f2f · ΔE 12

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

Code

CSS

background-color: #213047;

Tailwind (arbitrary value)

bg-[#213047]

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

#213047 (#213047) is rgb(33, 48, 71) in RGB.

No, #213047 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.

Try it → Accessibility

Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

Try it → Generators

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 #213047, or check how it holds up for accessibility.

Generate a palette → Check contrast