#213659

Color #213659

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 18.11 Nearest Tailwind class slate-700 #314158 · ΔE 5.4

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

Conversions

HEX

#213659

RGB

rgb(33, 54, 89)

HSL

hsl(217.5, 45.9%, 23.9%)

HSV / HSB

hsv(217.5, 62.9%, 34.9%)

CMYK

cmyk(62.9%, 39.3%, 0%, 65.1%)

LAB

lab(22.59, 3.85, -23.58)

LCH

lch(22.59, 23.89, 279.27)

OKLCH

oklch(33.4%, 0.0678, 260.15)

HWB

hwb(217.5, 12.9%, 65.1%)

Harmony colors

Complementary

#594421

Analogous

#215259

#213659

#282159

Triadic

#213659

#592136

#365921

Split-complementary

#213659

#592821

#525921

Tetradic

#213659

#442159

#594421

#365921

Square

#213659

#592152

#594421

#215928

Shades

Color #213659 mixed toward black.

#1b2d4a

#16243b

#101b2c

#0b121e

#05090f

Tints

Color #213659 mixed toward white.

#325388

#446fb7

#7193cb

#a1b7dc

#d0dbee

Tones

Color #213659 mixed toward gray.

#263754

#2a3850

#2f394b

#343b46

#383c42

Accessibility

Aa White text on this color

12.09:1

Aa Black text on this color

1.74:1

White text reads better on this background (12.09:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2b2c52 · ΔE 6.7

Deuteranopia

#2a2950 · ΔE 7.6

Tritanopia

#224c4b · ΔE 21.1

Achromatopsia

#363636 · ΔE 15.7

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

Code

CSS

background-color: #213659;

Tailwind (arbitrary value)

bg-[#213659]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Royal Blue #4169e1

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#213659 (#213659) is rgb(33, 54, 89) in RGB.

No, #213659 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.

Try it →

Build something with this color

Generate a full palette from #213659, or check how it holds up for accessibility.

Generate a palette → Check contrast