#303b69

Color #303b69

A muted dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 21.62 Nearest Tailwind class slate-700 #314158 · ΔE 7.2

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

Conversions

HEX

#303b69

RGB

rgb(48, 59, 105)

HSL

hsl(228.4, 37.3%, 30%)

HSV / HSB

hsv(228.4, 54.3%, 41.2%)

CMYK

cmyk(54.3%, 43.8%, 0%, 58.8%)

LAB

lab(26.09, 10, -28.39)

LCH

lch(26.09, 30.1, 289.4)

OKLCH

oklch(36.7%, 0.0805, 271.78)

HWB

hwb(228.4, 18.8%, 58.8%)

Harmony colors

Complementary

#695e30

Analogous

#305869

#303b69

#413069

Triadic

#303b69

#69303b

#3b6930

Split-complementary

#303b69

#694130

#586930

Tetradic

#303b69

#5e3069

#695e30

#3b6930

Square

#303b69

#693058

#695e30

#306941

Shades

Color #303b69 mixed toward black.

#283158

#202746

#181d35

#101423

#080a12

Tints

Color #303b69 mixed toward white.

#435292

#5c6db4

#8491c7

#adb6da

#d6daec

Tones

Color #303b69 mixed toward gray.

#353e64

#394160

#3e445b

#434756

#484a51

Accessibility

Aa White text on this color

10.74:1

Aa Black text on this color

1.96:1

White text reads better on this background (10.74:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#353560 · ΔE 3.6

Deuteranopia

#34345e · ΔE 3.9

Tritanopia

#315957 · ΔE 24.7

Achromatopsia

#3e3e3e · ΔE 18.5

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

Code

CSS

background-color: #303b69;

Tailwind (arbitrary value)

bg-[#303b69]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#303b69 (#303b69) is rgb(48, 59, 105) in RGB.

No, #303b69 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.

Try it →

Build something with this color

Generate a full palette from #303b69, or check how it holds up for accessibility.

Generate a palette → Check contrast