#313f75

Color #313f75

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 17.2 Nearest Tailwind class blue-900 #1c398e · ΔE 5.5

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

Conversions

HEX

#313f75

RGB

rgb(49, 63, 117)

HSL

hsl(227.6, 41%, 32.5%)

HSV / HSB

hsv(227.6, 58.1%, 45.9%)

CMYK

cmyk(58.1%, 46.2%, 0%, 54.1%)

LAB

lab(28.09, 11.8, -32.84)

LCH

lch(28.09, 34.9, 289.76)

OKLCH

oklch(38.4%, 0.0934, 270.55)

HWB

hwb(227.6, 19.2%, 54.1%)

Harmony colors

Complementary

#756731

Analogous

#316175

#313f75

#453175

Triadic

#313f75

#75313f

#3f7531

Split-complementary

#313f75

#754531

#617531

Tetradic

#313f75

#673175

#756731

#3f7531

Square

#313f75

#753161

#756731

#317545

Shades

Color #313f75 mixed toward black.

#293461

#212a4e

#181f3a

#101527

#080a13

Tints

Color #313f75 mixed toward white.

#42559d

#5d71bb

#8694cc

#aeb8dd

#d7dbee

Tones

Color #313f75 mixed toward gray.

#37426f

#3c466a

#424964

#484c5e

#4d5059

Accessibility

Aa White text on this color

10.01:1

Aa Black text on this color

2.1:1

White text reads better on this background (10.01:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#38386b · ΔE 4.1

Deuteranopia

#373668 · ΔE 4.7

Tritanopia

#326260 · ΔE 26

Achromatopsia

#424242 · ΔE 20.1

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

Code

CSS

background-color: #313f75;

Tailwind (arbitrary value)

bg-[#313f75]

Related colors

Royal Blue #4169e1

Cornflower Blue #6495ed

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Frequently asked questions

#313f75 (#313f75) is rgb(49, 63, 117) in RGB.

No, #313f75 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 #313f75, or check how it holds up for accessibility.

Generate a palette → Check contrast