#1f3150

Color #1f3150

A moderately saturated dark blue.

Closest named color Charcoal #36454f · ΔE 16.9 Nearest Tailwind class slate-800 #1d293d · ΔE 4.7

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Conversions

HEX

#1f3150

RGB

rgb(31, 49, 80)

HSL

hsl(218, 44.1%, 21.8%)

HSV / HSB

hsv(218, 61.2%, 31.4%)

CMYK

cmyk(61.2%, 38.8%, 0%, 68.6%)

LAB

lab(20.31, 3.43, -21.22)

LCH

lch(20.31, 21.5, 279.18)

OKLCH

oklch(31.4%, 0.0608, 260.72)

HWB

hwb(218, 12.2%, 68.6%)

Harmony colors

Complementary

#503e1f

Analogous

#1f4a50

#1f3150

#261f50

Triadic

#1f3150

#501f31

#31501f

Split-complementary

#1f3150

#50261f

#4a501f

Tetradic

#1f3150

#3e1f50

#503e1f

#31501f

Square

#1f3150

#501f4a

#503e1f

#1f5026

Shades

Color #1f3150 mixed toward black.

#1a2943

#152135

#101928

#0a101b

#05080d

Tints

Color #1f3150 mixed toward white.

#324e80

#446cb0

#6f90c7

#9fb5da

#cfdaec

Tones

Color #1f3150 mixed toward gray.

#23324c

#273348

#2b3444

#2f3540

#34373c

Accessibility

Aa White text on this color

13.02:1

Aa Black text on this color

1.61:1

White text reads better on this background (13.02:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#28284a · ΔE 6.7

Deuteranopia

#272548 · ΔE 7.6

Tritanopia

#204543 · ΔE 20.5

Achromatopsia

#313131 · ΔE 14.6

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

Code

CSS

background-color: #1f3150;

Tailwind (arbitrary value)

bg-[#1f3150]

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

#1f3150 (#1f3150) is rgb(31, 49, 80) in RGB.

No, #1f3150 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 #1f3150, or check how it holds up for accessibility.

Generate a palette → Check contrast