#233a69

Color #233a69

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 22.63 Nearest Tailwind class blue-900 #1c398e · ΔE 6.1

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

Conversions

HEX

#233a69

RGB

rgb(35, 58, 105)

HSL

hsl(220.3, 50%, 27.5%)

HSV / HSB

hsv(220.3, 66.7%, 41.2%)

CMYK

cmyk(66.7%, 44.8%, 0%, 58.8%)

LAB

lab(24.96, 7.68, -30.23)

LCH

lch(24.96, 31.19, 284.25)

OKLCH

oklch(35.6%, 0.0868, 263.06)

HWB

hwb(220.3, 13.7%, 58.8%)

Harmony colors

Complementary

#695223

Analogous

#235d69

#233a69

#2f2369

Triadic

#233a69

#69233a

#3a6923

Split-complementary

#233a69

#692f23

#5d6923

Tetradic

#233a69

#522369

#695223

#3a6923

Square

#233a69

#69235d

#695223

#23692f

Shades

Color #233a69 mixed toward black.

#1d3058

#172746

#121d35

#0c1323

#060a12

Tints

Color #233a69 mixed toward white.

#325497

#466fc1

#7493d1

#a3b7e0

#d1dbf0

Tones

Color #233a69 mixed toward gray.

#293c63

#2f3e5e

#354058

#3a4252

#40444c

Accessibility

Aa White text on this color

11.17:1

Aa Black text on this color

1.88:1

White text reads better on this background (11.17:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2f60 · ΔE 6

Deuteranopia

#2d2b5e · ΔE 7.2

Tritanopia

#255857 · ΔE 24.1

Achromatopsia

#3b3b3b · ΔE 18.6

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

Code

CSS

background-color: #233a69;

Tailwind (arbitrary value)

bg-[#233a69]

Related colors

Cornflower Blue #6495ed

Royal Blue #4169e1

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Frequently asked questions

#233a69 (#233a69) is rgb(35, 58, 105) in RGB.

No, #233a69 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.

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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 #233a69, or check how it holds up for accessibility.

Generate a palette → Check contrast