#303158

Color #303158

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 22.19 Nearest Tailwind class blue-950 #162456 · ΔE 5.9

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

Conversions

HEX

#303158

RGB

rgb(48, 49, 88)

HSL

hsl(238.5, 29.4%, 26.7%)

HSV / HSB

hsv(238.5, 45.5%, 34.5%)

CMYK

cmyk(45.5%, 44.3%, 0%, 65.5%)

LAB

lab(22.05, 11.03, -23.71)

LCH

lch(22.05, 26.15, 294.95)

OKLCH

oklch(33.2%, 0.0681, 280.91)

HWB

hwb(238.5, 18.8%, 65.5%)

Harmony colors

Complementary

#585730

Analogous

#304558

#303158

#433058

Triadic

#303158

#583031

#315830

Split-complementary

#303158

#584330

#455830

Tetradic

#303158

#573058

#585730

#315830

Square

#303158

#583045

#585730

#305843

Shades

Color #303158 mixed toward black.

#282949

#20213b

#18192c

#10101d

#08080f

Tints

Color #303158 mixed toward white.

#464880

#5e60a7

#8687bd

#aeafd3

#d7d7e9

Tones

Color #303158 mixed toward gray.

#333455

#373751

#3a3b4e

#3d3e4b

#414147

Accessibility

Aa White text on this color

12.31:1

Aa Black text on this color

1.71:1

White text reads better on this background (12.31:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#303051 · ΔE 2

Deuteranopia

#30304f · ΔE 2.6

Tritanopia

#304a49 · ΔE 23.2

Achromatopsia

#353535 · ΔE 17.4

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

Code

CSS

background-color: #303158;

Tailwind (arbitrary value)

bg-[#303158]

Related colors

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Medium Blue #0000cd

Frequently asked questions

#303158 (#303158) is rgb(48, 49, 88) in RGB.

No, #303158 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.

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 #303158, or check how it holds up for accessibility.

Generate a palette → Check contrast