#033997

Color #033997

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 13.99 Nearest Tailwind class blue-900 #1c398e · ΔE 1.7

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

Conversions

HEX

#033997

RGB

rgb(3, 57, 151)

HSL

hsl(218.1, 96.1%, 30.2%)

HSV / HSB

hsv(218.1, 98%, 59.2%)

CMYK

cmyk(98%, 62.3%, 0%, 40.8%)

LAB

lab(27.24, 24.05, -55.45)

LCH

lch(27.24, 60.44, 293.45)

OKLCH

oklch(38.1%, 0.1626, 261.26)

HWB

hwb(218.1, 1.2%, 40.8%)

Harmony colors

Complementary

#976103

Analogous

#038397

#033997

#170397

Triadic

#033997

#970339

#399703

Split-complementary

#033997

#971703

#839703

Tetradic

#033997

#610397

#976103

#399703

Square

#033997

#970383

#976103

#039717

Shades

Color #033997 mixed toward black.

#03307e

#022665

#021d4c

#011332

#010a19

Tints

Color #033997 mixed toward white.

#044fd1

#166afa

#508ffc

#8bb4fd

#c5dafe

Tones

Color #033997 mixed toward gray.

#0f3c8b

#1c407e

#284372

#344666

#414a59

Accessibility

Aa White text on this color

10.31:1

Aa Black text on this color

2.04:1

White text reads better on this background (10.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#252588 · ΔE 7.3

Deuteranopia

#221e84 · ΔE 9

Tritanopia

#0a7a76 · ΔE 35.7

Achromatopsia

#404040 · ΔE 25.7

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

Code

CSS

background-color: #033997;

Tailwind (arbitrary value)

bg-[#033997]

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

#033997 (#033997) is rgb(3, 57, 151) in RGB.

No, #033997 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.

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.

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Build something with this color

Generate a full palette from #033997, or check how it holds up for accessibility.

Generate a palette → Check contrast