#1f304a

Color #1f304a

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 14.44 Nearest Tailwind class slate-800 #1d293d · ΔE 3.1

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Conversions

HEX

#1f304a

RGB

rgb(31, 48, 74)

HSL

hsl(216.3, 41%, 20.6%)

HSV / HSB

hsv(216.3, 58.1%, 29%)

CMYK

cmyk(58.1%, 35.1%, 0%, 71%)

LAB

lab(19.64, 1.87, -18.24)

LCH

lch(19.64, 18.34, 275.85)

OKLCH

oklch(30.8%, 0.0523, 258.65)

HWB

hwb(216.3, 12.2%, 71%)

Harmony colors

Complementary

#4a391f

Analogous

#1f464a

#1f304a

#241f4a

Triadic

#1f304a

#4a1f30

#304a1f

Split-complementary

#1f304a

#4a241f

#464a1f

Tetradic

#1f304a

#391f4a

#4a391f

#304a1f

Square

#1f304a

#4a1f46

#4a391f

#1f4a24

Shades

Color #1f304a mixed toward black.

#1a283e

#152031

#0f1825

#0a1019

#05080c

Tints

Color #1f304a mixed toward white.

#334f7a

#476ea9

#7091c3

#a0b6d7

#cfdaeb

Tones

Color #1f304a mixed toward gray.

#233146

#263243

#2a323f

#2d333c

#313438

Accessibility

Aa White text on this color

13.29:1

Aa Black text on this color

1.58:1

White text reads better on this background (13.29:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272745 · ΔE 7.5

Deuteranopia

#262543 · ΔE 8

Tritanopia

#20403f · ΔE 17.8

Achromatopsia

#303030 · ΔE 13

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

Code

CSS

background-color: #1f304a;

Tailwind (arbitrary value)

bg-[#1f304a]

Related colors

Cornflower Blue #6495ed

Light Steel Blue #b0c4de

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1f304a (#1f304a) is rgb(31, 48, 74) in RGB.

No, #1f304a 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.

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Contrast Checker

Check the WCAG contrast ratio between any two colors, live, with AA/AAA pass-fail results.

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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 #1f304a, or check how it holds up for accessibility.

Generate a palette → Check contrast