#1f3f6e

Color #1f3f6e

A moderately saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 23.9 Nearest Tailwind class blue-900 #1c398e · ΔE 5.9

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Conversions

HEX

#1f3f6e

RGB

rgb(31, 63, 110)

HSL

hsl(215.7, 56%, 27.6%)

HSV / HSB

hsv(215.7, 71.8%, 43.1%)

CMYK

cmyk(71.8%, 42.7%, 0%, 56.9%)

LAB

lab(26.65, 5.42, -30.75)

LCH

lch(26.65, 31.22, 280)

OKLCH

oklch(36.9%, 0.0897, 258.03)

HWB

hwb(215.7, 12.2%, 56.9%)

Harmony colors

Complementary

#6e4e1f

Analogous

#1f666e

#1f3f6e

#261f6e

Triadic

#1f3f6e

#6e1f3f

#3f6e1f

Split-complementary

#1f3f6e

#6e261f

#666e1f

Tetradic

#1f3f6e

#4e1f6e

#6e4e1f

#3f6e1f

Square

#1f3f6e

#6e1f66

#6e4e1f

#1f6e26

Shades

Color #1f3f6e mixed toward black.

#1a345b

#152a49

#0f1f37

#0a1525

#050a12

Tints

Color #1f3f6e mixed toward white.

#2d5a9e

#3f77c9

#6f99d6

#9fbbe4

#cfddf1

Tones

Color #1f3f6e mixed toward gray.

#264067

#2c4161

#33435a

#394454

#40454d

Accessibility

Aa White text on this color

10.53:1

Aa Black text on this color

1.99:1

White text reads better on this background (10.53:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#303065 · ΔE 8.2

Deuteranopia

#2e2b63 · ΔE 9.5

Tritanopia

#215d5b · ΔE 24.1

Achromatopsia

#3f3f3f · ΔE 18.5

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

Code

CSS

background-color: #1f3f6e;

Tailwind (arbitrary value)

bg-[#1f3f6e]

Related colors

Light Steel Blue #b0c4de

Cornflower Blue #6495ed

Light Slate Gray #778899

Slate Gray #708090

Dodger Blue #1e90ff

Alice Blue #f0f8ff

Frequently asked questions

#1f3f6e (#1f3f6e) is rgb(31, 63, 110) in RGB.

No, #1f3f6e 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 #1f3f6e, or check how it holds up for accessibility.

Generate a palette → Check contrast