#233b73

Color #233b73

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.39 Nearest Tailwind class blue-900 #1c398e · ΔE 4.6

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

Conversions

HEX

#233b73

RGB

rgb(35, 59, 115)

HSL

hsl(222, 53.3%, 29.4%)

HSV / HSB

hsv(222, 69.6%, 45.1%)

CMYK

cmyk(69.6%, 48.7%, 0%, 54.9%)

LAB

lab(25.93, 10.9, -35.08)

LCH

lch(25.93, 36.73, 287.26)

OKLCH

oklch(36.5%, 0.1009, 264.48)

HWB

hwb(222, 13.7%, 54.9%)

Harmony colors

Complementary

#735b23

Analogous

#236373

#233b73

#332373

Triadic

#233b73

#73233b

#3b7323

Split-complementary

#233b73

#733323

#637323

Tetradic

#233b73

#5b2373

#735b23

#3b7323

Square

#233b73

#732363

#735b23

#237333

Shades

Color #233b73 mixed toward black.

#1d3160

#17274d

#121d39

#0c1426

#060a13

Tints

Color #233b73 mixed toward white.

#3153a1

#476dc7

#7592d5

#a3b6e3

#d1dbf1

Tones

Color #233b73 mixed toward gray.

#2a3e6c

#304066

#37435f

#3e4658

#444852

Accessibility

Aa White text on this color

10.8:1

Aa Black text on this color

1.94:1

White text reads better on this background (10.8:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2f2f69 · ΔE 6

Deuteranopia

#2e2c66 · ΔE 6.9

Tritanopia

#25605e · ΔE 26.5

Achromatopsia

#3d3d3d · ΔE 20.5

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

Code

CSS

background-color: #233b73;

Tailwind (arbitrary value)

bg-[#233b73]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#233b73 (#233b73) is rgb(35, 59, 115) in RGB.

No, #233b73 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 #233b73, or check how it holds up for accessibility.

Generate a palette → Check contrast