#213959

Color #213959

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 15.71 Nearest Tailwind class slate-700 #314158 · ΔE 4.2

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Conversions

HEX

#213959

RGB

rgb(33, 57, 89)

HSL

hsl(214.3, 45.9%, 23.9%)

HSV / HSB

hsv(214.3, 62.9%, 34.9%)

CMYK

cmyk(62.9%, 36%, 0%, 65.1%)

LAB

lab(23.57, 1.77, -22.04)

LCH

lch(23.57, 22.11, 274.59)

OKLCH

oklch(34.2%, 0.0641, 256.01)

HWB

hwb(214.3, 12.9%, 65.1%)

Harmony colors

Complementary

#594121

Analogous

#215559

#213959

#252159

Triadic

#213959

#592139

#395921

Split-complementary

#213959

#592521

#555921

Tetradic

#213959

#412159

#594121

#395921

Square

#213959

#592155

#594121

#215925

Shades

Color #213959 mixed toward black.

#1b2f4a

#16263b

#101c2c

#0b131e

#05090f

Tints

Color #213959 mixed toward white.

#325788

#4475b7

#7198cb

#a1badc

#d0ddee

Tones

Color #213959 mixed toward gray.

#263a54

#2a3a50

#2f3b4b

#343c46

#383c42

Accessibility

Aa White text on this color

11.7:1

Aa Black text on this color

1.79:1

White text reads better on this background (11.7:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2d2d53 · ΔE 8.5

Deuteranopia

#2c2a51 · ΔE 9.3

Tritanopia

#234d4c · ΔE 19.6

Achromatopsia

#383838 · ΔE 14.8

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

Code

CSS

background-color: #213959;

Tailwind (arbitrary value)

bg-[#213959]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#213959 (#213959) is rgb(33, 57, 89) in RGB.

No, #213959 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.

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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 #213959, or check how it holds up for accessibility.

Generate a palette → Check contrast