#151c3e

Color #151c3e

A moderately saturated very dark blue.

Closest named color Charcoal #36454f · ΔE 25.74 Nearest Tailwind class indigo-950 #1e1a4d · ΔE 5.1

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Conversions

HEX

#151c3e

RGB

rgb(21, 28, 62)

HSL

hsl(229.8, 49.4%, 16.3%)

HSV / HSB

hsv(229.8, 66.1%, 24.3%)

CMYK

cmyk(66.1%, 54.8%, 0%, 75.7%)

LAB

lab(11.54, 9.29, -22.83)

LCH

lch(11.54, 24.65, 292.14)

OKLCH

oklch(24.1%, 0.0652, 271.93)

HWB

hwb(229.8, 8.2%, 75.7%)

Harmony colors

Complementary

#3e3715

Analogous

#15313e

#151c3e

#23153e

Triadic

#151c3e

#3e151c

#1c3e15

Split-complementary

#151c3e

#3e2315

#313e15

Tetradic

#151c3e

#37153e

#3e3715

#1c3e15

Square

#151c3e

#3e1531

#3e3715

#153e23

Shades

Color #151c3e mixed toward black.

#121734

#0e1329

#0b0e1f

#070915

#04050a

Tints

Color #151c3e mixed toward white.

#273473

#394ca8

#6071c9

#95a1db

#cad0ed

Tones

Color #151c3e mixed toward gray.

#181e3b

#1c2137

#1f2334

#232530

#26272d

Accessibility

Aa White text on this color

16.57:1

Aa Black text on this color

1.27:1

White text reads better on this background (16.57:1). That passes WCAG AAA (≥7:1) for normal-size text.

Under color vision deficiencies

Protanopia

#181838 · ΔE 2.4

Deuteranopia

#181736 · ΔE 2.9

Tritanopia

#153231 · ΔE 22.8

Achromatopsia

#1f1f1f · ΔE 16.6

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

Code

CSS

background-color: #151c3e;

Tailwind (arbitrary value)

bg-[#151c3e]

Related colors

Royal Blue #4169e1

Navy #000080

Lavender #e6e6fa

Blue #0000ff

Dark Blue #00008b

Ghost White #f8f8ff

Frequently asked questions

#151c3e (#151c3e) is rgb(21, 28, 62) in RGB.

No, #151c3e 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 #151c3e, or check how it holds up for accessibility.

Generate a palette → Check contrast