#1f3458

Color #1f3458

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 19.17 Nearest Tailwind class blue-950 #162456 · ΔE 5.9

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Conversions

HEX

#1f3458

RGB

rgb(31, 52, 88)

HSL

hsl(217.9, 47.9%, 23.3%)

HSV / HSB

hsv(217.9, 64.8%, 34.5%)

CMYK

cmyk(64.8%, 40.9%, 0%, 65.5%)

LAB

lab(21.77, 4.4, -24.24)

LCH

lch(21.77, 24.64, 280.29)

OKLCH

oklch(32.7%, 0.0696, 260.58)

HWB

hwb(217.9, 12.2%, 65.5%)

Harmony colors

Complementary

#58431f

Analogous

#1f5058

#1f3458

#261f58

Triadic

#1f3458

#581f34

#34581f

Split-complementary

#1f3458

#58261f

#50581f

Tetradic

#1f3458

#431f58

#58431f

#34581f

Square

#1f3458

#581f50

#58431f

#1f5826

Shades

Color #1f3458 mixed toward black.

#1a2b49

#15233b

#0f1a2c

#0a111d

#05090f

Tints

Color #1f3458 mixed toward white.

#305088

#416db8

#6e91cc

#9fb6dd

#cfdaee

Tones

Color #1f3458 mixed toward gray.

#243553

#28364e

#2d384a

#323945

#373a40

Accessibility

Aa White text on this color

12.42:1

Aa Black text on this color

1.69:1

White text reads better on this background (12.42:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#292a51 · ΔE 6.4

Deuteranopia

#28274f · ΔE 7.3

Tritanopia

#204b49 · ΔE 21.9

Achromatopsia

#343434 · ΔE 16

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

Code

CSS

background-color: #1f3458;

Tailwind (arbitrary value)

bg-[#1f3458]

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

#1f3458 (#1f3458) is rgb(31, 52, 88) in RGB.

No, #1f3458 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 #1f3458, or check how it holds up for accessibility.

Generate a palette → Check contrast