#123871

Color #123871

A vivid, highly saturated dark blue.

Closest named color Dark Slate Blue #483d8b · ΔE 18.47 Nearest Tailwind class blue-900 #1c398e · ΔE 5

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Conversions

HEX

#123871

RGB

rgb(18, 56, 113)

HSL

hsl(216, 72.5%, 25.7%)

HSV / HSB

hsv(216, 84.1%, 44.3%)

CMYK

cmyk(84.1%, 50.4%, 0%, 55.7%)

LAB

lab(24.16, 9.69, -36.69)

LCH

lch(24.16, 37.95, 284.79)

OKLCH

oklch(34.9%, 0.1076, 258.79)

HWB

hwb(216, 7.1%, 55.7%)

Harmony colors

Complementary

#714b12

Analogous

#126871

#123871

#1c1271

Triadic

#123871

#711238

#387112

Split-complementary

#123871

#711c12

#687112

Tetradic

#123871

#4b1271

#714b12

#387112

Square

#123871

#711268

#714b12

#12711c

Shades

Color #123871 mixed toward black.

#0f2f5e

#0c254b

#091c39

#061326

#030913

Tints

Color #123871 mixed toward white.

#1b53a8

#256edc

#5c93e5

#92b7ee

#c9dbf6

Tones

Color #123871 mixed toward gray.

#1a3a69

#223b61

#2a3d59

#323e51

#3a4049

Accessibility

Aa White text on this color

11.48:1

Aa Black text on this color

1.83:1

White text reads better on this background (11.48:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#272867 · ΔE 7.8

Deuteranopia

#252264 · ΔE 9.4

Tritanopia

#155e5b · ΔE 27.2

Achromatopsia

#393939 · ΔE 20.7

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

Code

CSS

background-color: #123871;

Tailwind (arbitrary value)

bg-[#123871]

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

#123871 (#123871) is rgb(18, 56, 113) in RGB.

No, #123871 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 #123871, or check how it holds up for accessibility.

Generate a palette → Check contrast