#233a99

Color #233a99

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 12.54 Nearest Tailwind class blue-900 #1c398e · ΔE 1.9

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Conversions

HEX

#233a99

RGB

rgb(35, 58, 153)

HSL

hsl(228.3, 62.8%, 36.9%)

HSV / HSB

hsv(228.3, 77.1%, 60%)

CMYK

cmyk(77.1%, 62.1%, 0%, 40%)

LAB

lab(28.6, 26.47, -54.41)

LCH

lch(28.6, 60.51, 295.94)

OKLCH

oklch(39.5%, 0.1573, 267.81)

HWB

hwb(228.3, 13.7%, 40%)

Harmony colors

Complementary

#998223

Analogous

#237599

#233a99

#472399

Triadic

#233a99

#99233a

#3a9923

Split-complementary

#233a99

#994723

#759923

Tetradic

#233a99

#822399

#998223

#3a9923

Square

#233a99

#992375

#998223

#239947

Shades

Color #233a99 mixed toward black.

#1d3080

#172766

#121d4d

#0c1333

#060a1a

Tints

Color #233a99 mixed toward white.

#2d4bc5

#506bd7

#7c90e1

#a8b5eb

#d3daf5

Tones

Color #233a99 mixed toward gray.

#2d408f

#374685

#414c7c

#4a5272

#545868

Accessibility

Aa White text on this color

9.83:1

Aa Black text on this color

2.14:1

White text reads better on this background (9.83:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#2e2f89 · ΔE 4.4

Deuteranopia

#2d2b85 · ΔE 5.6

Tritanopia

#257b78 · ΔE 35

Achromatopsia

#434343 · ΔE 25.7

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

Code

CSS

background-color: #233a99;

Tailwind (arbitrary value)

bg-[#233a99]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#233a99 (#233a99) is rgb(35, 58, 153) in RGB.

No, #233a99 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 #233a99, or check how it holds up for accessibility.

Generate a palette → Check contrast