#313b4e

Color #313b4e

A muted dark blue.

Closest named color Charcoal #36454f · ΔE 7.62 Nearest Tailwind class gray-700 #364153 · ΔE 2.1

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

Conversions

HEX

#313b4e

RGB

rgb(49, 59, 78)

HSL

hsl(219.3, 22.8%, 24.9%)

HSV / HSB

hsv(219.3, 37.2%, 30.6%)

CMYK

cmyk(37.2%, 24.4%, 0%, 69.4%)

LAB

lab(24.74, 1.26, -12.9)

LCH

lch(24.74, 12.96, 275.58)

OKLCH

oklch(35.2%, 0.036, 262.97)

HWB

hwb(219.3, 19.2%, 69.4%)

Harmony colors

Complementary

#4e4431

Analogous

#31494e

#313b4e

#36314e

Triadic

#313b4e

#4e313b

#3b4e31

Split-complementary

#313b4e

#4e3631

#494e31

Tetradic

#313b4e

#44314e

#4e4431

#3b4e31

Square

#313b4e

#4e3149

#4e4431

#314e36

Shades

Color #313b4e mixed toward black.

#293141

#212734

#191e27

#10141a

#080a0d

Tints

Color #313b4e mixed toward white.

#4a5975

#62769c

#8998b5

#b1bbce

#d8dde6

Tones

Color #313b4e mixed toward gray.

#333c4c

#363d49

#383d47

#3b3e44

#3d3f42

Accessibility

Aa White text on this color

11.25:1

Aa Black text on this color

1.87:1

White text reads better on this background (11.25:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#36364a · ΔE 5.3

Deuteranopia

#353449 · ΔE 6.1

Tritanopia

#324746 · ΔE 14

Achromatopsia

#3b3b3b · ΔE 10.1

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

Code

CSS

background-color: #313b4e;

Tailwind (arbitrary value)

bg-[#313b4e]

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

#313b4e (#313b4e) is rgb(49, 59, 78) in RGB.

No, #313b4e 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.

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Build something with this color

Generate a full palette from #313b4e, or check how it holds up for accessibility.

Generate a palette → Check contrast